{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:ESORYXK5SQLU5UQ3QI2WRNWBEY","short_pith_number":"pith:ESORYXK5","canonical_record":{"source":{"id":"1902.05484","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2019-02-14T16:34:05Z","cross_cats_sorted":[],"title_canon_sha256":"aac45703d3101fa282726dc2ae8364fb8772af6b57af15110147ab259f7fbfe2","abstract_canon_sha256":"37f87787e08bb7393ae92f9114019161bfde1b9da7767567ba7308f7abf5162d"},"schema_version":"1.0"},"canonical_sha256":"249d1c5d5d94174ed21b823568b6c126174f1a0ddc2c939065dfe17a1485573f","source":{"kind":"arxiv","id":"1902.05484","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.05484","created_at":"2026-07-05T01:12:59Z"},{"alias_kind":"arxiv_version","alias_value":"1902.05484v1","created_at":"2026-07-05T01:12:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.05484","created_at":"2026-07-05T01:12:59Z"},{"alias_kind":"pith_short_12","alias_value":"ESORYXK5SQLU","created_at":"2026-07-05T01:12:59Z"},{"alias_kind":"pith_short_16","alias_value":"ESORYXK5SQLU5UQ3","created_at":"2026-07-05T01:12:59Z"},{"alias_kind":"pith_short_8","alias_value":"ESORYXK5","created_at":"2026-07-05T01:12:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:ESORYXK5SQLU5UQ3QI2WRNWBEY","target":"record","payload":{"canonical_record":{"source":{"id":"1902.05484","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2019-02-14T16:34:05Z","cross_cats_sorted":[],"title_canon_sha256":"aac45703d3101fa282726dc2ae8364fb8772af6b57af15110147ab259f7fbfe2","abstract_canon_sha256":"37f87787e08bb7393ae92f9114019161bfde1b9da7767567ba7308f7abf5162d"},"schema_version":"1.0"},"canonical_sha256":"249d1c5d5d94174ed21b823568b6c126174f1a0ddc2c939065dfe17a1485573f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:12:59.199703Z","signature_b64":"A6MLhofEojJDzzXX7LkW3B0yU3oCIR1wzMIYztiAHfN9viS/kqCWmsMJbpoJ4QJjdPFM5NuFAuh+fJviOslcDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"249d1c5d5d94174ed21b823568b6c126174f1a0ddc2c939065dfe17a1485573f","last_reissued_at":"2026-07-05T01:12:59.199232Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:12:59.199232Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1902.05484","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":"2026-07-05T01:12:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gZvk32ikp7ahb2/22YKDsREKuc39hEMFZRDB0uPsggAH2O/di/S4+9Ha4sj+pQQn4d2Nao2jF76KDcGdf8gRAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T08:59:51.224047Z"},"content_sha256":"f71f5b5830f4a05e62e6aca7f783cd88166ec11dcaab1c477ea4cb662532d07f","schema_version":"1.0","event_id":"sha256:f71f5b5830f4a05e62e6aca7f783cd88166ec11dcaab1c477ea4cb662532d07f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:ESORYXK5SQLU5UQ3QI2WRNWBEY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Extreme active matter at high densities","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Chandan Dasgupta, Madan Rao, Pinaki Chaudhuri, Pranab Jyoti Bhuyan, Rituparno Mandal","submitted_at":"2019-02-14T16:34:05Z","abstract_excerpt":"Extreme active matter, an assembly of self-propelled particles with large persistence time $\\tau_p$ and high P\\'eclet number, exhibits remarkable behaviour at high densities. As $\\tau_p\\to 0$, the assembly undergoes a gradual slowing down of density relaxations, as one reduces the active propulsion force $f$, until at the glass transition, the relaxation times diverge. In the other limit, $\\tau_p \\to \\infty$, the fluid jams on lowering $f$, at a critical threshold $f^*(\\infty)$, with stresses concentrated along force-chains. As one moves away from this jamming threshold, the force-chains dynam"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.05484","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1902.05484/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T01:12:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wLpHVtpU2BBdWVz5sNh5g9nK1tGMY0lrJqIubtRj0ZbKQxIiCIWLAXZOxrOJ5Z8Eum1l2qkOy65z4OPl1FZmDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-16T08:59:51.225010Z"},"content_sha256":"f96babd77722788b733ee52123249edd9be5fc54d2fe959d5bc9a2dfa36220b7","schema_version":"1.0","event_id":"sha256:f96babd77722788b733ee52123249edd9be5fc54d2fe959d5bc9a2dfa36220b7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ESORYXK5SQLU5UQ3QI2WRNWBEY/bundle.json","state_url":"https://pith.science/pith/ESORYXK5SQLU5UQ3QI2WRNWBEY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ESORYXK5SQLU5UQ3QI2WRNWBEY/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":"2026-08-16T08:59:51Z","links":{"resolver":"https://pith.science/pith/ESORYXK5SQLU5UQ3QI2WRNWBEY","bundle":"https://pith.science/pith/ESORYXK5SQLU5UQ3QI2WRNWBEY/bundle.json","state":"https://pith.science/pith/ESORYXK5SQLU5UQ3QI2WRNWBEY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ESORYXK5SQLU5UQ3QI2WRNWBEY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:ESORYXK5SQLU5UQ3QI2WRNWBEY","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":"37f87787e08bb7393ae92f9114019161bfde1b9da7767567ba7308f7abf5162d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2019-02-14T16:34:05Z","title_canon_sha256":"aac45703d3101fa282726dc2ae8364fb8772af6b57af15110147ab259f7fbfe2"},"schema_version":"1.0","source":{"id":"1902.05484","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.05484","created_at":"2026-07-05T01:12:59Z"},{"alias_kind":"arxiv_version","alias_value":"1902.05484v1","created_at":"2026-07-05T01:12:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.05484","created_at":"2026-07-05T01:12:59Z"},{"alias_kind":"pith_short_12","alias_value":"ESORYXK5SQLU","created_at":"2026-07-05T01:12:59Z"},{"alias_kind":"pith_short_16","alias_value":"ESORYXK5SQLU5UQ3","created_at":"2026-07-05T01:12:59Z"},{"alias_kind":"pith_short_8","alias_value":"ESORYXK5","created_at":"2026-07-05T01:12:59Z"}],"graph_snapshots":[{"event_id":"sha256:f96babd77722788b733ee52123249edd9be5fc54d2fe959d5bc9a2dfa36220b7","target":"graph","created_at":"2026-07-05T01:12:59Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1902.05484/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Extreme active matter, an assembly of self-propelled particles with large persistence time $\\tau_p$ and high P\\'eclet number, exhibits remarkable behaviour at high densities. As $\\tau_p\\to 0$, the assembly undergoes a gradual slowing down of density relaxations, as one reduces the active propulsion force $f$, until at the glass transition, the relaxation times diverge. In the other limit, $\\tau_p \\to \\infty$, the fluid jams on lowering $f$, at a critical threshold $f^*(\\infty)$, with stresses concentrated along force-chains. As one moves away from this jamming threshold, the force-chains dynam","authors_text":"Chandan Dasgupta, Madan Rao, Pinaki Chaudhuri, Pranab Jyoti Bhuyan, Rituparno Mandal","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2019-02-14T16:34:05Z","title":"Extreme active matter at high densities"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.05484","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:f71f5b5830f4a05e62e6aca7f783cd88166ec11dcaab1c477ea4cb662532d07f","target":"record","created_at":"2026-07-05T01:12:59Z","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":"37f87787e08bb7393ae92f9114019161bfde1b9da7767567ba7308f7abf5162d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2019-02-14T16:34:05Z","title_canon_sha256":"aac45703d3101fa282726dc2ae8364fb8772af6b57af15110147ab259f7fbfe2"},"schema_version":"1.0","source":{"id":"1902.05484","kind":"arxiv","version":1}},"canonical_sha256":"249d1c5d5d94174ed21b823568b6c126174f1a0ddc2c939065dfe17a1485573f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"249d1c5d5d94174ed21b823568b6c126174f1a0ddc2c939065dfe17a1485573f","first_computed_at":"2026-07-05T01:12:59.199232Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:12:59.199232Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"A6MLhofEojJDzzXX7LkW3B0yU3oCIR1wzMIYztiAHfN9viS/kqCWmsMJbpoJ4QJjdPFM5NuFAuh+fJviOslcDg==","signature_status":"signed_v1","signed_at":"2026-07-05T01:12:59.199703Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.05484","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f71f5b5830f4a05e62e6aca7f783cd88166ec11dcaab1c477ea4cb662532d07f","sha256:f96babd77722788b733ee52123249edd9be5fc54d2fe959d5bc9a2dfa36220b7"],"state_sha256":"930c82e5532839265659ab540bdcc3034934f02094f23b079599aff7b7127f53"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wwxj3pCRr6Zlp/v4KGnTn3GMoJMmOZ2Qxf2SSKi38v/hrUIswLjci9AcGyg1MBb0I3z0OHzSRXp3TTfR1agUBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-16T08:59:51.232023Z","bundle_sha256":"92b833f3b6992b58aac521179bba5f6071931c5e25fbfb665b9e58d059f0af65"}}