{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:YCDZ5JRQQ2K5FU6SDLYUA5WOFM","short_pith_number":"pith:YCDZ5JRQ","canonical_record":{"source":{"id":"0910.4844","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2009-10-26T10:08:28Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"149910f7213033f479c14aefc150745c19f7606b9a8646ac481ab767982478fe","abstract_canon_sha256":"45813961d6c5f75666b9fb0526a7a3fbf3cb2e82d5d266bc40502a2a9dfd09d5"},"schema_version":"1.0"},"canonical_sha256":"c0879ea6308695d2d3d21af14076ce2b15566668ed0f606c6ebbd64b878eef2c","source":{"kind":"arxiv","id":"0910.4844","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.4844","created_at":"2026-05-18T04:40:20Z"},{"alias_kind":"arxiv_version","alias_value":"0910.4844v2","created_at":"2026-05-18T04:40:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.4844","created_at":"2026-05-18T04:40:20Z"},{"alias_kind":"pith_short_12","alias_value":"YCDZ5JRQQ2K5","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"YCDZ5JRQQ2K5FU6S","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"YCDZ5JRQ","created_at":"2026-05-18T12:26:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:YCDZ5JRQQ2K5FU6SDLYUA5WOFM","target":"record","payload":{"canonical_record":{"source":{"id":"0910.4844","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2009-10-26T10:08:28Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"149910f7213033f479c14aefc150745c19f7606b9a8646ac481ab767982478fe","abstract_canon_sha256":"45813961d6c5f75666b9fb0526a7a3fbf3cb2e82d5d266bc40502a2a9dfd09d5"},"schema_version":"1.0"},"canonical_sha256":"c0879ea6308695d2d3d21af14076ce2b15566668ed0f606c6ebbd64b878eef2c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:40:20.524829Z","signature_b64":"nw2PIXVDS1D8S2p/hLwMzSF7u6itGMFWLvhyyiwf3qn31Q1gp7qGxr7MadH6MAVryIEZajX0P3fEq4GQUiGdBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c0879ea6308695d2d3d21af14076ce2b15566668ed0f606c6ebbd64b878eef2c","last_reissued_at":"2026-05-18T04:40:20.524289Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:40:20.524289Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0910.4844","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:40:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fPqyNfIZdDTvm3xDfYoNQvgygWvvw/D8xTRJGSujwzLq4FUeWVNnFSe5nh6XSriYlc73Z9E25XyRfCrDcY0sAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T04:53:53.441520Z"},"content_sha256":"795caf9b532cb1d259e43675e7b0cf588d62d15f130fa5da37b9e02f3bd1e8e2","schema_version":"1.0","event_id":"sha256:795caf9b532cb1d259e43675e7b0cf588d62d15f130fa5da37b9e02f3bd1e8e2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:YCDZ5JRQQ2K5FU6SDLYUA5WOFM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Elliptic flow ($v_2$) in pp collisions at energies available at the CERN Large Hadron Collider: A hydrodynamical approach","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"nucl-th","authors_text":"A. K. Chaudhuri, S. Chattopadhyay, S. K. Prasad, Victor Roy","submitted_at":"2009-10-26T10:08:28Z","abstract_excerpt":"At Large Hadron Collider energy, the expected large multiplicities suggests the presence of collective behavior even in pp collisions. A hydrodynamical approach has been applied to estimate the expected elliptic flow measured by the azimuthal asymmetry parameter $v_2$, in pp collisions at $\\surd$s = 14 TeV. $v_2$ of $\\pi^-$ is found to be strongly dependent on the parton density profile inside a proton [e.g., surface diffuseness parameter ($\\xi$)]. For $\\xi$ = 0.105, $v_2$ is found to be positive while at $\\xi$ = 0.25, $v_2$ is close to zero and approaches negative values at large $p_t$. The i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.4844","kind":"arxiv","version":2},"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":"2026-05-18T04:40:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z0UezSjRo3bHK5wvW/uSh0RHMBAlTyS4IfXjoqXEhxVLxtIhtg3IvNc3buuiZDM8GfTDh10SOU1eQoGGIYz7DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T04:53:53.441873Z"},"content_sha256":"ba8263be3e6e97ac7dae3822d8f020822f58bb68fe63eea0fa6c5ecbaf0e2c94","schema_version":"1.0","event_id":"sha256:ba8263be3e6e97ac7dae3822d8f020822f58bb68fe63eea0fa6c5ecbaf0e2c94"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YCDZ5JRQQ2K5FU6SDLYUA5WOFM/bundle.json","state_url":"https://pith.science/pith/YCDZ5JRQQ2K5FU6SDLYUA5WOFM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YCDZ5JRQQ2K5FU6SDLYUA5WOFM/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":"2026-06-02T04:53:53Z","links":{"resolver":"https://pith.science/pith/YCDZ5JRQQ2K5FU6SDLYUA5WOFM","bundle":"https://pith.science/pith/YCDZ5JRQQ2K5FU6SDLYUA5WOFM/bundle.json","state":"https://pith.science/pith/YCDZ5JRQQ2K5FU6SDLYUA5WOFM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YCDZ5JRQQ2K5FU6SDLYUA5WOFM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:YCDZ5JRQQ2K5FU6SDLYUA5WOFM","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":"45813961d6c5f75666b9fb0526a7a3fbf3cb2e82d5d266bc40502a2a9dfd09d5","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2009-10-26T10:08:28Z","title_canon_sha256":"149910f7213033f479c14aefc150745c19f7606b9a8646ac481ab767982478fe"},"schema_version":"1.0","source":{"id":"0910.4844","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.4844","created_at":"2026-05-18T04:40:20Z"},{"alias_kind":"arxiv_version","alias_value":"0910.4844v2","created_at":"2026-05-18T04:40:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.4844","created_at":"2026-05-18T04:40:20Z"},{"alias_kind":"pith_short_12","alias_value":"YCDZ5JRQQ2K5","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_16","alias_value":"YCDZ5JRQQ2K5FU6S","created_at":"2026-05-18T12:26:02Z"},{"alias_kind":"pith_short_8","alias_value":"YCDZ5JRQ","created_at":"2026-05-18T12:26:02Z"}],"graph_snapshots":[{"event_id":"sha256:ba8263be3e6e97ac7dae3822d8f020822f58bb68fe63eea0fa6c5ecbaf0e2c94","target":"graph","created_at":"2026-05-18T04:40:20Z","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":"At Large Hadron Collider energy, the expected large multiplicities suggests the presence of collective behavior even in pp collisions. A hydrodynamical approach has been applied to estimate the expected elliptic flow measured by the azimuthal asymmetry parameter $v_2$, in pp collisions at $\\surd$s = 14 TeV. $v_2$ of $\\pi^-$ is found to be strongly dependent on the parton density profile inside a proton [e.g., surface diffuseness parameter ($\\xi$)]. For $\\xi$ = 0.105, $v_2$ is found to be positive while at $\\xi$ = 0.25, $v_2$ is close to zero and approaches negative values at large $p_t$. The i","authors_text":"A. K. Chaudhuri, S. Chattopadhyay, S. K. Prasad, Victor Roy","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2009-10-26T10:08:28Z","title":"Elliptic flow ($v_2$) in pp collisions at energies available at the CERN Large Hadron Collider: A hydrodynamical approach"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.4844","kind":"arxiv","version":2},"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":"sha256:795caf9b532cb1d259e43675e7b0cf588d62d15f130fa5da37b9e02f3bd1e8e2","target":"record","created_at":"2026-05-18T04:40:20Z","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":"45813961d6c5f75666b9fb0526a7a3fbf3cb2e82d5d266bc40502a2a9dfd09d5","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2009-10-26T10:08:28Z","title_canon_sha256":"149910f7213033f479c14aefc150745c19f7606b9a8646ac481ab767982478fe"},"schema_version":"1.0","source":{"id":"0910.4844","kind":"arxiv","version":2}},"canonical_sha256":"c0879ea6308695d2d3d21af14076ce2b15566668ed0f606c6ebbd64b878eef2c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c0879ea6308695d2d3d21af14076ce2b15566668ed0f606c6ebbd64b878eef2c","first_computed_at":"2026-05-18T04:40:20.524289Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:40:20.524289Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nw2PIXVDS1D8S2p/hLwMzSF7u6itGMFWLvhyyiwf3qn31Q1gp7qGxr7MadH6MAVryIEZajX0P3fEq4GQUiGdBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:40:20.524829Z","signed_message":"canonical_sha256_bytes"},"source_id":"0910.4844","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:795caf9b532cb1d259e43675e7b0cf588d62d15f130fa5da37b9e02f3bd1e8e2","sha256:ba8263be3e6e97ac7dae3822d8f020822f58bb68fe63eea0fa6c5ecbaf0e2c94"],"state_sha256":"6eab02677c5748454f21d1faba253c304b99bfedece0864f69bf7e6013df821a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AUybcdA9LWfGiDGxtfZ2VKfTJXZ3qpWBdOzUrNRMqaOQW4W//4Bhcp8g7V+UPFgNPTHY0k3ZJeVnzFaUu9xFDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T04:53:53.444963Z","bundle_sha256":"4b5b4cc5745f067971c228f96d537055fd06a0f0fde860975e488a1fd664fef0"}}