{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:ONATJFV6JSGZGEZEMPG6WPZCRC","short_pith_number":"pith:ONATJFV6","canonical_record":{"source":{"id":"1512.07864","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.SC","submitted_at":"2015-12-24T17:13:13Z","cross_cats_sorted":[],"title_canon_sha256":"1db64bf3185c938cb3a3893ca217b7ab989fce73242dd6113f49ec359be882db","abstract_canon_sha256":"5c9bc4b3ec73a3bd8bf67dc97a4a668473cad3209023e5fd763b13ba41f35edc"},"schema_version":"1.0"},"canonical_sha256":"73413496be4c8d93132463cdeb3f2288b416dad2a9d8b96c1a9502c040c6e951","source":{"kind":"arxiv","id":"1512.07864","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.07864","created_at":"2026-05-18T01:10:23Z"},{"alias_kind":"arxiv_version","alias_value":"1512.07864v1","created_at":"2026-05-18T01:10:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.07864","created_at":"2026-05-18T01:10:23Z"},{"alias_kind":"pith_short_12","alias_value":"ONATJFV6JSGZ","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_16","alias_value":"ONATJFV6JSGZGEZE","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_8","alias_value":"ONATJFV6","created_at":"2026-05-18T12:29:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:ONATJFV6JSGZGEZEMPG6WPZCRC","target":"record","payload":{"canonical_record":{"source":{"id":"1512.07864","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.SC","submitted_at":"2015-12-24T17:13:13Z","cross_cats_sorted":[],"title_canon_sha256":"1db64bf3185c938cb3a3893ca217b7ab989fce73242dd6113f49ec359be882db","abstract_canon_sha256":"5c9bc4b3ec73a3bd8bf67dc97a4a668473cad3209023e5fd763b13ba41f35edc"},"schema_version":"1.0"},"canonical_sha256":"73413496be4c8d93132463cdeb3f2288b416dad2a9d8b96c1a9502c040c6e951","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:10:23.560124Z","signature_b64":"egnEJ1HGb91ZdCtZiLdgXonBAiZLjTXA/NP96D3bd2pCs8WwtUVwochzFRL+3ZR3tLCc67Xyxi/we1dxjPapAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"73413496be4c8d93132463cdeb3f2288b416dad2a9d8b96c1a9502c040c6e951","last_reissued_at":"2026-05-18T01:10:23.559571Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:10:23.559571Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1512.07864","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":"2026-05-18T01:10:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NVbaxeZbzlxmZF15Gli5bNO4+7YzBj038h+3jbFFhtUg78EbVn6trtcmJBc6R+LQbicnEbFffhVks+2/743uDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T19:08:23.964775Z"},"content_sha256":"a6b460035ef2d6fc389a2692f73ed71c94e3a97a82a7ffa6aba50156f7d6b638","schema_version":"1.0","event_id":"sha256:a6b460035ef2d6fc389a2692f73ed71c94e3a97a82a7ffa6aba50156f7d6b638"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:ONATJFV6JSGZGEZEMPG6WPZCRC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A mechanistic first--passage time framework for bacterial cell-division timing","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"q-bio.SC","authors_text":"Abhyudai Singh, Cesar A. Vargas-Garcia, Khem Raj Ghusinga","submitted_at":"2015-12-24T17:13:13Z","abstract_excerpt":"How exponentially growing cells maintain size homeostasis is an important fundamental problem. Recent single-cell studies in prokaryotes have uncovered the adder principle, where cells on average, add a fixed size (volume) from birth to division. Interestingly, this added volume differs considerably among genetically-identical newborn cells with similar sizes suggesting a stochastic component in the timing of cell-division. To mechanistically explain the adder principle, we consider a time-keeper protein that begins to get stochastically expressed after cell birth at a rate proportional to the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.07864","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":"2026-05-18T01:10:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7WjwIerZtr2/k3mSIHA7lnAggx225+hW+S0zZjZvQTW95hIBYLzFJigu44riVx1nFq9DTM0zXyZ2Uex5atkeCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T19:08:23.965441Z"},"content_sha256":"7d4f6cfe66e8975e68f271af9c7dd39712d78051aaab07fa75f45362ed853228","schema_version":"1.0","event_id":"sha256:7d4f6cfe66e8975e68f271af9c7dd39712d78051aaab07fa75f45362ed853228"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ONATJFV6JSGZGEZEMPG6WPZCRC/bundle.json","state_url":"https://pith.science/pith/ONATJFV6JSGZGEZEMPG6WPZCRC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ONATJFV6JSGZGEZEMPG6WPZCRC/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":"2026-06-07T19:08:23Z","links":{"resolver":"https://pith.science/pith/ONATJFV6JSGZGEZEMPG6WPZCRC","bundle":"https://pith.science/pith/ONATJFV6JSGZGEZEMPG6WPZCRC/bundle.json","state":"https://pith.science/pith/ONATJFV6JSGZGEZEMPG6WPZCRC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ONATJFV6JSGZGEZEMPG6WPZCRC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:ONATJFV6JSGZGEZEMPG6WPZCRC","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":"5c9bc4b3ec73a3bd8bf67dc97a4a668473cad3209023e5fd763b13ba41f35edc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.SC","submitted_at":"2015-12-24T17:13:13Z","title_canon_sha256":"1db64bf3185c938cb3a3893ca217b7ab989fce73242dd6113f49ec359be882db"},"schema_version":"1.0","source":{"id":"1512.07864","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.07864","created_at":"2026-05-18T01:10:23Z"},{"alias_kind":"arxiv_version","alias_value":"1512.07864v1","created_at":"2026-05-18T01:10:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.07864","created_at":"2026-05-18T01:10:23Z"},{"alias_kind":"pith_short_12","alias_value":"ONATJFV6JSGZ","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_16","alias_value":"ONATJFV6JSGZGEZE","created_at":"2026-05-18T12:29:34Z"},{"alias_kind":"pith_short_8","alias_value":"ONATJFV6","created_at":"2026-05-18T12:29:34Z"}],"graph_snapshots":[{"event_id":"sha256:7d4f6cfe66e8975e68f271af9c7dd39712d78051aaab07fa75f45362ed853228","target":"graph","created_at":"2026-05-18T01:10:23Z","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":"How exponentially growing cells maintain size homeostasis is an important fundamental problem. Recent single-cell studies in prokaryotes have uncovered the adder principle, where cells on average, add a fixed size (volume) from birth to division. Interestingly, this added volume differs considerably among genetically-identical newborn cells with similar sizes suggesting a stochastic component in the timing of cell-division. To mechanistically explain the adder principle, we consider a time-keeper protein that begins to get stochastically expressed after cell birth at a rate proportional to the","authors_text":"Abhyudai Singh, Cesar A. Vargas-Garcia, Khem Raj Ghusinga","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.SC","submitted_at":"2015-12-24T17:13:13Z","title":"A mechanistic first--passage time framework for bacterial cell-division timing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.07864","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:a6b460035ef2d6fc389a2692f73ed71c94e3a97a82a7ffa6aba50156f7d6b638","target":"record","created_at":"2026-05-18T01:10:23Z","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":"5c9bc4b3ec73a3bd8bf67dc97a4a668473cad3209023e5fd763b13ba41f35edc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.SC","submitted_at":"2015-12-24T17:13:13Z","title_canon_sha256":"1db64bf3185c938cb3a3893ca217b7ab989fce73242dd6113f49ec359be882db"},"schema_version":"1.0","source":{"id":"1512.07864","kind":"arxiv","version":1}},"canonical_sha256":"73413496be4c8d93132463cdeb3f2288b416dad2a9d8b96c1a9502c040c6e951","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"73413496be4c8d93132463cdeb3f2288b416dad2a9d8b96c1a9502c040c6e951","first_computed_at":"2026-05-18T01:10:23.559571Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:10:23.559571Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"egnEJ1HGb91ZdCtZiLdgXonBAiZLjTXA/NP96D3bd2pCs8WwtUVwochzFRL+3ZR3tLCc67Xyxi/we1dxjPapAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:10:23.560124Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.07864","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a6b460035ef2d6fc389a2692f73ed71c94e3a97a82a7ffa6aba50156f7d6b638","sha256:7d4f6cfe66e8975e68f271af9c7dd39712d78051aaab07fa75f45362ed853228"],"state_sha256":"e9a99358901773d029b8efecff465283550a192fdad1fd86e36be03f1f54898b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vVvW30vnI/lI5IC13SNzv91Ho4/+ogWPIN6lVGv6IFzgpVtHbckVKhZkIKgchJVTXSEjyhSxIbwfRF9hBBrmBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T19:08:23.969164Z","bundle_sha256":"523788e28f3d107927ed9775361da8251f12f4d3c5dc2badda7c295d04851fca"}}