date: 2018-02-06T10:33:49Z pdf:PDFVersion: 1.4 pdf:docinfo:title: Correspondence: Chimpanzee helping is real, not a byproduct xmp:CreatorTool: Springer access_permission:can_print_degraded: true subject: Nature Communications, doi:10.1038/s41467-017-02321-6 pdfa:PDFVersion: A-2b xmpMM:History:Action: converted language: EN dc:format: application/pdf; version=1.4 pdf:docinfo:creator_tool: Springer access_permission:fill_in_form: true xmpMM:History:When: 2018-02-05T13:25:11Z pdf:encrypted: false dc:title: Correspondence: Chimpanzee helping is real, not a byproduct modified: 2018-02-06T10:33:49Z cp:subject: Nature Communications, doi:10.1038/s41467-017-02321-6 xmpMM:History:SoftwareAgent: pdfToolbox pdf:docinfo:custom:CrossMarkDomains[1]: springer.com pdf:docinfo:subject: Nature Communications, doi:10.1038/s41467-017-02321-6 xmpMM:History:InstanceID: uuid:7eb504b4-ff73-4dee-982f-5b905f2c239f pdf:docinfo:creator: Alicia P. Melis meta:author: Jan M. Engelmann meta:creation-date: 2018-02-05T07:54:25Z created: 2018-02-05T07:54:25Z access_permission:extract_for_accessibility: true Creation-Date: 2018-02-05T07:54:25Z pdfaid:part: 2 pdf:docinfo:custom:CrossMarkDomains[2]: springerlink.com pdf:docinfo:custom:doi: 10.1038/s41467-017-02321-6 Author: Jan M. Engelmann producer: iText® 5.3.5 ©2000-2012 1T3XT BVBA (AGPL-version) pdf:docinfo:producer: iText® 5.3.5 ©2000-2012 1T3XT BVBA (AGPL-version) doi: 10.1038/s41467-017-02321-6 pdf:unmappedUnicodeCharsPerPage: 0 dc:description: Nature Communications, doi:10.1038/s41467-017-02321-6 Keywords: access_permission:modify_annotations: true dc:creator: Jan M. Engelmann description: Nature Communications, doi:10.1038/s41467-017-02321-6 dcterms:created: 2018-02-05T07:54:25Z Last-Modified: 2018-02-06T10:33:49Z dcterms:modified: 2018-02-06T10:33:49Z title: Correspondence: Chimpanzee helping is real, not a byproduct xmpMM:DocumentID: uuid:13f89cf7-84c0-46b1-be8e-01c3b7563353 Last-Save-Date: 2018-02-06T10:33:49Z CrossMarkDomains[1]: springer.com pdf:docinfo:keywords: pdf:docinfo:modified: 2018-02-06T10:33:49Z meta:save-date: 2018-02-06T10:33:49Z Content-Type: application/pdf X-Parsed-By: org.apache.tika.parser.DefaultParser creator: Jan M. Engelmann pdfaid:conformance: B dc:language: EN dc:subject: access_permission:assemble_document: true xmpTPg:NPages: 3 pdf:charsPerPage: 4544 access_permission:extract_content: true access_permission:can_print: true CrossMarkDomains[2]: springerlink.com meta:keyword: access_permission:can_modify: true pdf:docinfo:created: 2018-02-05T07:54:25Z