{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:TOII4L6RP2YZ7RQ5TNJL34JHO2","short_pith_number":"pith:TOII4L6R","canonical_record":{"source":{"id":"1511.02079","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2015-11-06T13:59:03Z","cross_cats_sorted":["q-bio.TO"],"title_canon_sha256":"ecff46663d18affd75f52f06a3ccaa6118e5646a03892f56e6d21df44c4596e7","abstract_canon_sha256":"b9226284ce4a14390598de03eb34be580787534a44c4671372f04b656eea7dc4"},"schema_version":"1.0"},"canonical_sha256":"9b908e2fd17eb19fc61d9b52bdf12776a2161d7d89134b8d06670cbf4b8961f0","source":{"kind":"arxiv","id":"1511.02079","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.02079","created_at":"2026-05-18T01:27:37Z"},{"alias_kind":"arxiv_version","alias_value":"1511.02079v1","created_at":"2026-05-18T01:27:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.02079","created_at":"2026-05-18T01:27:37Z"},{"alias_kind":"pith_short_12","alias_value":"TOII4L6RP2YZ","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"TOII4L6RP2YZ7RQ5","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"TOII4L6R","created_at":"2026-05-18T12:29:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:TOII4L6RP2YZ7RQ5TNJL34JHO2","target":"record","payload":{"canonical_record":{"source":{"id":"1511.02079","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2015-11-06T13:59:03Z","cross_cats_sorted":["q-bio.TO"],"title_canon_sha256":"ecff46663d18affd75f52f06a3ccaa6118e5646a03892f56e6d21df44c4596e7","abstract_canon_sha256":"b9226284ce4a14390598de03eb34be580787534a44c4671372f04b656eea7dc4"},"schema_version":"1.0"},"canonical_sha256":"9b908e2fd17eb19fc61d9b52bdf12776a2161d7d89134b8d06670cbf4b8961f0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:27:37.861176Z","signature_b64":"mc3macYZT6uPQp3Qsoj+/vsFzmTWFcU//7BMB3I1L60cm8YaWXOGbmGiDjliYuQv8Xawoi4lkd6aL0h4qZBDCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9b908e2fd17eb19fc61d9b52bdf12776a2161d7d89134b8d06670cbf4b8961f0","last_reissued_at":"2026-05-18T01:27:37.860599Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:27:37.860599Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1511.02079","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:27:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DQct9m/HxboP4jhTgKIoBWffz6FNNyO3q1Izv2RPzMGkZLCGuwzYUZOjNLoB2kIoIk0jXygoQB3F0TyebZvsAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T06:33:40.067396Z"},"content_sha256":"4d30ed5dc6eb7f75b762f85100ef079436686e8f273c14914eb0a9e99da7672b","schema_version":"1.0","event_id":"sha256:4d30ed5dc6eb7f75b762f85100ef079436686e8f273c14914eb0a9e99da7672b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:TOII4L6RP2YZ7RQ5TNJL34JHO2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Emergence of proto-organisms from bistable stochastic differentiation and adhesion","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["q-bio.TO"],"primary_cat":"q-bio.PE","authors_text":"Adriano Bonforti, Raul Monta\\~nez, Ricard Sol\\'e, Salva Duran-Nebreda, Sergi Valverde","submitted_at":"2015-11-06T13:59:03Z","abstract_excerpt":"The rise of multicellularity in the early evolution of life represents a major challenge for evolutionary biology. Guidance for finding answers has emerged from disparate fields, from phylogenetics to modelling and synthetic biology, but little is known about the potential origins of multicellular aggregates before genetic programs took full control of developmental processes. Such aggregates should involve spatial organisation of differentiated cells and the modification of flows and concentrations of metabolites within well defined boundaries. Here we show that, in an environment where limit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.02079","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:27:37Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4syDvFjGidWjf9hLOho7yNOnQptCr2UzcW3Whfc6hIIfMzbWri3/8KMAwjR5loa92NcsFRYy/3Q60EhldbqnDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T06:33:40.067759Z"},"content_sha256":"325c835a517df14896507325b3714b76894d831073ee58922e2754f50962997b","schema_version":"1.0","event_id":"sha256:325c835a517df14896507325b3714b76894d831073ee58922e2754f50962997b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TOII4L6RP2YZ7RQ5TNJL34JHO2/bundle.json","state_url":"https://pith.science/pith/TOII4L6RP2YZ7RQ5TNJL34JHO2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TOII4L6RP2YZ7RQ5TNJL34JHO2/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-24T06:33:40Z","links":{"resolver":"https://pith.science/pith/TOII4L6RP2YZ7RQ5TNJL34JHO2","bundle":"https://pith.science/pith/TOII4L6RP2YZ7RQ5TNJL34JHO2/bundle.json","state":"https://pith.science/pith/TOII4L6RP2YZ7RQ5TNJL34JHO2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TOII4L6RP2YZ7RQ5TNJL34JHO2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:TOII4L6RP2YZ7RQ5TNJL34JHO2","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"b9226284ce4a14390598de03eb34be580787534a44c4671372f04b656eea7dc4","cross_cats_sorted":["q-bio.TO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2015-11-06T13:59:03Z","title_canon_sha256":"ecff46663d18affd75f52f06a3ccaa6118e5646a03892f56e6d21df44c4596e7"},"schema_version":"1.0","source":{"id":"1511.02079","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.02079","created_at":"2026-05-18T01:27:37Z"},{"alias_kind":"arxiv_version","alias_value":"1511.02079v1","created_at":"2026-05-18T01:27:37Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.02079","created_at":"2026-05-18T01:27:37Z"},{"alias_kind":"pith_short_12","alias_value":"TOII4L6RP2YZ","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_16","alias_value":"TOII4L6RP2YZ7RQ5","created_at":"2026-05-18T12:29:42Z"},{"alias_kind":"pith_short_8","alias_value":"TOII4L6R","created_at":"2026-05-18T12:29:42Z"}],"graph_snapshots":[{"event_id":"sha256:325c835a517df14896507325b3714b76894d831073ee58922e2754f50962997b","target":"graph","created_at":"2026-05-18T01:27:37Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"The rise of multicellularity in the early evolution of life represents a major challenge for evolutionary biology. Guidance for finding answers has emerged from disparate fields, from phylogenetics to modelling and synthetic biology, but little is known about the potential origins of multicellular aggregates before genetic programs took full control of developmental processes. Such aggregates should involve spatial organisation of differentiated cells and the modification of flows and concentrations of metabolites within well defined boundaries. Here we show that, in an environment where limit","authors_text":"Adriano Bonforti, Raul Monta\\~nez, Ricard Sol\\'e, Salva Duran-Nebreda, Sergi Valverde","cross_cats":["q-bio.TO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2015-11-06T13:59:03Z","title":"Emergence of proto-organisms from bistable stochastic differentiation and adhesion"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.02079","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:4d30ed5dc6eb7f75b762f85100ef079436686e8f273c14914eb0a9e99da7672b","target":"record","created_at":"2026-05-18T01:27:37Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"b9226284ce4a14390598de03eb34be580787534a44c4671372f04b656eea7dc4","cross_cats_sorted":["q-bio.TO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.PE","submitted_at":"2015-11-06T13:59:03Z","title_canon_sha256":"ecff46663d18affd75f52f06a3ccaa6118e5646a03892f56e6d21df44c4596e7"},"schema_version":"1.0","source":{"id":"1511.02079","kind":"arxiv","version":1}},"canonical_sha256":"9b908e2fd17eb19fc61d9b52bdf12776a2161d7d89134b8d06670cbf4b8961f0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9b908e2fd17eb19fc61d9b52bdf12776a2161d7d89134b8d06670cbf4b8961f0","first_computed_at":"2026-05-18T01:27:37.860599Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:27:37.860599Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mc3macYZT6uPQp3Qsoj+/vsFzmTWFcU//7BMB3I1L60cm8YaWXOGbmGiDjliYuQv8Xawoi4lkd6aL0h4qZBDCw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:27:37.861176Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.02079","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4d30ed5dc6eb7f75b762f85100ef079436686e8f273c14914eb0a9e99da7672b","sha256:325c835a517df14896507325b3714b76894d831073ee58922e2754f50962997b"],"state_sha256":"3fc0631e44abaab145a84c2819f7496a8d852360aeea61aca25b5b54a408ddef"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uYQOSAiO/REvHJgxqXYlisyHlxDhE3mYhHgTgayYpjZKELHMo0d6UhjzSOY/sFCT3fAqYCkRV56qaQNAdklXDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-24T06:33:40.069841Z","bundle_sha256":"71d55f6d99e4b728225b2ae98da1d0c9b864bff6ed889fb39b33d5cfe43bea4d"}}