{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:RSPE3VWLP3GZZGYWUQZT2LP6AX","short_pith_number":"pith:RSPE3VWL","canonical_record":{"source":{"id":"1101.2449","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-01-12T21:00:15Z","cross_cats_sorted":[],"title_canon_sha256":"2f99b24a708008d29640bd00f4f14d46668a53544c3a6f81a13e2489174a1193","abstract_canon_sha256":"e0b50d6a61bd3fb2bd437b688fcb05e31b3faeb3cd8b6a8984476888b0a1ed64"},"schema_version":"1.0"},"canonical_sha256":"8c9e4dd6cb7ecd9c9b16a4333d2dfe05e32a74ea1a83b5855a4921314cb60965","source":{"kind":"arxiv","id":"1101.2449","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1101.2449","created_at":"2026-05-18T04:07:29Z"},{"alias_kind":"arxiv_version","alias_value":"1101.2449v1","created_at":"2026-05-18T04:07:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.2449","created_at":"2026-05-18T04:07:29Z"},{"alias_kind":"pith_short_12","alias_value":"RSPE3VWLP3GZ","created_at":"2026-05-18T12:26:41Z"},{"alias_kind":"pith_short_16","alias_value":"RSPE3VWLP3GZZGYW","created_at":"2026-05-18T12:26:41Z"},{"alias_kind":"pith_short_8","alias_value":"RSPE3VWL","created_at":"2026-05-18T12:26:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:RSPE3VWLP3GZZGYWUQZT2LP6AX","target":"record","payload":{"canonical_record":{"source":{"id":"1101.2449","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-01-12T21:00:15Z","cross_cats_sorted":[],"title_canon_sha256":"2f99b24a708008d29640bd00f4f14d46668a53544c3a6f81a13e2489174a1193","abstract_canon_sha256":"e0b50d6a61bd3fb2bd437b688fcb05e31b3faeb3cd8b6a8984476888b0a1ed64"},"schema_version":"1.0"},"canonical_sha256":"8c9e4dd6cb7ecd9c9b16a4333d2dfe05e32a74ea1a83b5855a4921314cb60965","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:07:29.302311Z","signature_b64":"0QGAleVT84g+aI5GxBgFJOhX4hsJo7d/ScTunpbolakJdZbVEv8KBpp9Yf6A03cG46PKqd8XgC3TbEgwbZXYAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8c9e4dd6cb7ecd9c9b16a4333d2dfe05e32a74ea1a83b5855a4921314cb60965","last_reissued_at":"2026-05-18T04:07:29.301836Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:07:29.301836Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1101.2449","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":"2026-05-18T04:07:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nXLk281Txl49++VmJMdLOP60mzc+5iWXsmBz5RCeuJs1Xy6rIpViXn1rf2k3dXAkpV9yNnUTsEPXBNl1Ku7/Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T19:44:20.761426Z"},"content_sha256":"04b5e2daefadd9114536f5acdea8b6c130e540fe9d2ac7b8df4cff3ed0afd5cc","schema_version":"1.0","event_id":"sha256:04b5e2daefadd9114536f5acdea8b6c130e540fe9d2ac7b8df4cff3ed0afd5cc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:RSPE3VWLP3GZZGYWUQZT2LP6AX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Turbulence in the Intergalactic Medium","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"(2) SNS, Andrea Ferrara (2) ((1) SISSA, Carmelo Evoli (1), Italy, Italy), Pisa, Trieste","submitted_at":"2011-01-12T21:00:15Z","abstract_excerpt":"We study supernova-driven galactic outflows as a mechanism for injecting turbulence in the intergalactic medium (IGM) far from galaxies. To this aim we follow the evolution of a 10^13 Msun galaxy along its merger tree, with carefully calibrated prescriptions for star formation and wind efficiencies. At z~3 the majority of the bubbles around galaxies are old (ages >1Gyr), i.e. they contain metals expelled by their progenitors at earlier times; their filling factor increases with time reaching about 10% at z<2. The energy deposited by these expanding shocks in the IGM is predominantly in kinetic"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.2449","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":"2026-05-18T04:07:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IR3LRPXq3Kb57AV+UJoyv2CpAM6g5ptTBdrXAX7lnMG0FRlggFEHumPpBe4kq/z7tM0wQItNJ/bXIsatfzyBBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T19:44:20.762050Z"},"content_sha256":"c9eab5e607d9bf224d950d1ff44bcc345d3f67bd7e7862fb73cc7c407c298e28","schema_version":"1.0","event_id":"sha256:c9eab5e607d9bf224d950d1ff44bcc345d3f67bd7e7862fb73cc7c407c298e28"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RSPE3VWLP3GZZGYWUQZT2LP6AX/bundle.json","state_url":"https://pith.science/pith/RSPE3VWLP3GZZGYWUQZT2LP6AX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RSPE3VWLP3GZZGYWUQZT2LP6AX/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":"2026-05-27T19:44:20Z","links":{"resolver":"https://pith.science/pith/RSPE3VWLP3GZZGYWUQZT2LP6AX","bundle":"https://pith.science/pith/RSPE3VWLP3GZZGYWUQZT2LP6AX/bundle.json","state":"https://pith.science/pith/RSPE3VWLP3GZZGYWUQZT2LP6AX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RSPE3VWLP3GZZGYWUQZT2LP6AX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:RSPE3VWLP3GZZGYWUQZT2LP6AX","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":"e0b50d6a61bd3fb2bd437b688fcb05e31b3faeb3cd8b6a8984476888b0a1ed64","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-01-12T21:00:15Z","title_canon_sha256":"2f99b24a708008d29640bd00f4f14d46668a53544c3a6f81a13e2489174a1193"},"schema_version":"1.0","source":{"id":"1101.2449","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1101.2449","created_at":"2026-05-18T04:07:29Z"},{"alias_kind":"arxiv_version","alias_value":"1101.2449v1","created_at":"2026-05-18T04:07:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1101.2449","created_at":"2026-05-18T04:07:29Z"},{"alias_kind":"pith_short_12","alias_value":"RSPE3VWLP3GZ","created_at":"2026-05-18T12:26:41Z"},{"alias_kind":"pith_short_16","alias_value":"RSPE3VWLP3GZZGYW","created_at":"2026-05-18T12:26:41Z"},{"alias_kind":"pith_short_8","alias_value":"RSPE3VWL","created_at":"2026-05-18T12:26:41Z"}],"graph_snapshots":[{"event_id":"sha256:c9eab5e607d9bf224d950d1ff44bcc345d3f67bd7e7862fb73cc7c407c298e28","target":"graph","created_at":"2026-05-18T04:07:29Z","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":"We study supernova-driven galactic outflows as a mechanism for injecting turbulence in the intergalactic medium (IGM) far from galaxies. To this aim we follow the evolution of a 10^13 Msun galaxy along its merger tree, with carefully calibrated prescriptions for star formation and wind efficiencies. At z~3 the majority of the bubbles around galaxies are old (ages >1Gyr), i.e. they contain metals expelled by their progenitors at earlier times; their filling factor increases with time reaching about 10% at z<2. The energy deposited by these expanding shocks in the IGM is predominantly in kinetic","authors_text":"(2) SNS, Andrea Ferrara (2) ((1) SISSA, Carmelo Evoli (1), Italy, Italy), Pisa, Trieste","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-01-12T21:00:15Z","title":"Turbulence in the Intergalactic Medium"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1101.2449","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":"sha256:04b5e2daefadd9114536f5acdea8b6c130e540fe9d2ac7b8df4cff3ed0afd5cc","target":"record","created_at":"2026-05-18T04:07:29Z","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":"e0b50d6a61bd3fb2bd437b688fcb05e31b3faeb3cd8b6a8984476888b0a1ed64","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-01-12T21:00:15Z","title_canon_sha256":"2f99b24a708008d29640bd00f4f14d46668a53544c3a6f81a13e2489174a1193"},"schema_version":"1.0","source":{"id":"1101.2449","kind":"arxiv","version":1}},"canonical_sha256":"8c9e4dd6cb7ecd9c9b16a4333d2dfe05e32a74ea1a83b5855a4921314cb60965","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8c9e4dd6cb7ecd9c9b16a4333d2dfe05e32a74ea1a83b5855a4921314cb60965","first_computed_at":"2026-05-18T04:07:29.301836Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:07:29.301836Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0QGAleVT84g+aI5GxBgFJOhX4hsJo7d/ScTunpbolakJdZbVEv8KBpp9Yf6A03cG46PKqd8XgC3TbEgwbZXYAg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:07:29.302311Z","signed_message":"canonical_sha256_bytes"},"source_id":"1101.2449","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:04b5e2daefadd9114536f5acdea8b6c130e540fe9d2ac7b8df4cff3ed0afd5cc","sha256:c9eab5e607d9bf224d950d1ff44bcc345d3f67bd7e7862fb73cc7c407c298e28"],"state_sha256":"2ee2723c8afbe14330334d6da1bfbbc619e36f8b1164230203aab54566609058"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oriKQLDQD4HP4p5FcBLvb3icTGwa6/8td3IYbPyiRNiGMG/wRE1H/NPtUS/lxvWSFAwsJCE/J7EvrKYG+e62Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T19:44:20.765428Z","bundle_sha256":"c2c742c9cad673dd70b95709c6ded83ab1b305d5808584658f0c0f48e2c4f404"}}