{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:EADRWY7NVC7MPRMWOZY3VKWVPU","short_pith_number":"pith:EADRWY7N","canonical_record":{"source":{"id":"1203.5486","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-03-25T11:24:20Z","cross_cats_sorted":[],"title_canon_sha256":"55f6345e9cb78a78a4ba8e989c5fb6499253fe4c5e2aa74e61a29b1c6659e560","abstract_canon_sha256":"a9a465c4964b03bbc4a1b4bac888d0001338a1766b1b819268c269f60faf2130"},"schema_version":"1.0"},"canonical_sha256":"20071b63eda8bec7c5967671baaad57d3d869281534719c25b66a153450bcd02","source":{"kind":"arxiv","id":"1203.5486","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1203.5486","created_at":"2026-05-18T01:58:02Z"},{"alias_kind":"arxiv_version","alias_value":"1203.5486v2","created_at":"2026-05-18T01:58:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.5486","created_at":"2026-05-18T01:58:02Z"},{"alias_kind":"pith_short_12","alias_value":"EADRWY7NVC7M","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"EADRWY7NVC7MPRMW","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"EADRWY7N","created_at":"2026-05-18T12:27:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:EADRWY7NVC7MPRMWOZY3VKWVPU","target":"record","payload":{"canonical_record":{"source":{"id":"1203.5486","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-03-25T11:24:20Z","cross_cats_sorted":[],"title_canon_sha256":"55f6345e9cb78a78a4ba8e989c5fb6499253fe4c5e2aa74e61a29b1c6659e560","abstract_canon_sha256":"a9a465c4964b03bbc4a1b4bac888d0001338a1766b1b819268c269f60faf2130"},"schema_version":"1.0"},"canonical_sha256":"20071b63eda8bec7c5967671baaad57d3d869281534719c25b66a153450bcd02","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:58:02.137526Z","signature_b64":"s2TJdVJGXnYQxLGsJ5y4GuFrY/sCrHHBC1RaqnbrNYE49vVT094LjQ+d7JA9FOXefXo+pApG0ee0pLRyVDEbDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"20071b63eda8bec7c5967671baaad57d3d869281534719c25b66a153450bcd02","last_reissued_at":"2026-05-18T01:58:02.136896Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:58:02.136896Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1203.5486","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":"2026-05-18T01:58:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wCsK6cSKwAf4/chjDbJecweHllyPzU/PZm4bQQcoJsRJtqqGxIz4pucloB3/yDyK8bx8MtLVyvsBfN7KMRN2Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T07:19:23.967705Z"},"content_sha256":"e553c7ce902bdfb391a251adb18b5eb9990c88f545eb249a7dab18225b2ade90","schema_version":"1.0","event_id":"sha256:e553c7ce902bdfb391a251adb18b5eb9990c88f545eb249a7dab18225b2ade90"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:EADRWY7NVC7MPRMWOZY3VKWVPU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Milky Way Project: A statistical study of massive star formation associated with infrared bubbles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"(2) University of Oxford, (3) University of Exeter, 4, (4) ESO Garching, 5), (5) Harvard CfA, (6) Penn State, 7) ((1) Max Planck Institute for Astronomy, (7) University of Chicago, (8) Yale, (9) Adler Planetarium), Chris Lintott (2), Eli Bressert (3, Grace Wolf-Chase (9, Heidelberg, Kevin Schawinski (8), Matthew S. Povich (6), Reid Sherman (7), Robert J. Simpson (2), Sarah Kendrew (1), Thomas P. Robitaille (1)","submitted_at":"2012-03-25T11:24:20Z","abstract_excerpt":"The Milky Way Project citizen science initiative recently increased the number of known infrared bubbles in the inner Galactic plane by an order of magnitude compared to previous studies. We present a detailed statistical analysis of this dataset with the Red MSX Source catalog of massive young stellar sources to investigate the association of these bubbles with massive star formation. We particularly address the question of massive triggered star formation near infrared bubbles. We find a strong positional correlation of massive young stellar objects (MYSOs) and H II regions with Milky Way Pr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.5486","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":"2026-05-18T01:58:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8t+MtZQtE/XzCPvklQ3VQ0FDahUFYOcVIFpFAufFMH7DlFu1GYnePZr1fUj5e1j0H+2hZ6NROuAy54rP3UniCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T07:19:23.968068Z"},"content_sha256":"b61b5dc8e1fbd0f13aefcf6ad9597ffd49de59a2f53b1ba1e8ad51955ee21958","schema_version":"1.0","event_id":"sha256:b61b5dc8e1fbd0f13aefcf6ad9597ffd49de59a2f53b1ba1e8ad51955ee21958"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EADRWY7NVC7MPRMWOZY3VKWVPU/bundle.json","state_url":"https://pith.science/pith/EADRWY7NVC7MPRMWOZY3VKWVPU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EADRWY7NVC7MPRMWOZY3VKWVPU/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":"2026-05-20T07:19:23Z","links":{"resolver":"https://pith.science/pith/EADRWY7NVC7MPRMWOZY3VKWVPU","bundle":"https://pith.science/pith/EADRWY7NVC7MPRMWOZY3VKWVPU/bundle.json","state":"https://pith.science/pith/EADRWY7NVC7MPRMWOZY3VKWVPU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EADRWY7NVC7MPRMWOZY3VKWVPU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:EADRWY7NVC7MPRMWOZY3VKWVPU","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":"a9a465c4964b03bbc4a1b4bac888d0001338a1766b1b819268c269f60faf2130","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-03-25T11:24:20Z","title_canon_sha256":"55f6345e9cb78a78a4ba8e989c5fb6499253fe4c5e2aa74e61a29b1c6659e560"},"schema_version":"1.0","source":{"id":"1203.5486","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1203.5486","created_at":"2026-05-18T01:58:02Z"},{"alias_kind":"arxiv_version","alias_value":"1203.5486v2","created_at":"2026-05-18T01:58:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1203.5486","created_at":"2026-05-18T01:58:02Z"},{"alias_kind":"pith_short_12","alias_value":"EADRWY7NVC7M","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"EADRWY7NVC7MPRMW","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"EADRWY7N","created_at":"2026-05-18T12:27:04Z"}],"graph_snapshots":[{"event_id":"sha256:b61b5dc8e1fbd0f13aefcf6ad9597ffd49de59a2f53b1ba1e8ad51955ee21958","target":"graph","created_at":"2026-05-18T01:58:02Z","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 Milky Way Project citizen science initiative recently increased the number of known infrared bubbles in the inner Galactic plane by an order of magnitude compared to previous studies. We present a detailed statistical analysis of this dataset with the Red MSX Source catalog of massive young stellar sources to investigate the association of these bubbles with massive star formation. We particularly address the question of massive triggered star formation near infrared bubbles. We find a strong positional correlation of massive young stellar objects (MYSOs) and H II regions with Milky Way Pr","authors_text":"(2) University of Oxford, (3) University of Exeter, 4, (4) ESO Garching, 5), (5) Harvard CfA, (6) Penn State, 7) ((1) Max Planck Institute for Astronomy, (7) University of Chicago, (8) Yale, (9) Adler Planetarium), Chris Lintott (2), Eli Bressert (3, Grace Wolf-Chase (9, Heidelberg, Kevin Schawinski (8), Matthew S. Povich (6), Reid Sherman (7), Robert J. Simpson (2), Sarah Kendrew (1), Thomas P. Robitaille (1)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-03-25T11:24:20Z","title":"The Milky Way Project: A statistical study of massive star formation associated with infrared bubbles"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1203.5486","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:e553c7ce902bdfb391a251adb18b5eb9990c88f545eb249a7dab18225b2ade90","target":"record","created_at":"2026-05-18T01:58:02Z","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":"a9a465c4964b03bbc4a1b4bac888d0001338a1766b1b819268c269f60faf2130","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-03-25T11:24:20Z","title_canon_sha256":"55f6345e9cb78a78a4ba8e989c5fb6499253fe4c5e2aa74e61a29b1c6659e560"},"schema_version":"1.0","source":{"id":"1203.5486","kind":"arxiv","version":2}},"canonical_sha256":"20071b63eda8bec7c5967671baaad57d3d869281534719c25b66a153450bcd02","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"20071b63eda8bec7c5967671baaad57d3d869281534719c25b66a153450bcd02","first_computed_at":"2026-05-18T01:58:02.136896Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:58:02.136896Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"s2TJdVJGXnYQxLGsJ5y4GuFrY/sCrHHBC1RaqnbrNYE49vVT094LjQ+d7JA9FOXefXo+pApG0ee0pLRyVDEbDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:58:02.137526Z","signed_message":"canonical_sha256_bytes"},"source_id":"1203.5486","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e553c7ce902bdfb391a251adb18b5eb9990c88f545eb249a7dab18225b2ade90","sha256:b61b5dc8e1fbd0f13aefcf6ad9597ffd49de59a2f53b1ba1e8ad51955ee21958"],"state_sha256":"33ebacd7e3210962ad37652ec82ca1275ba51b2833635ce1b61a3ece78c6c433"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mttho1ng4g4WbYwfpGsQGmypCQoj24ETqhQJdTWP3pNepKsXatTKUWaMcmW1mINeofVDMOTT/G5aQQ0dZPokCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T07:19:23.970222Z","bundle_sha256":"dc82905a7c4fbdb37cd3be579be0e7816b3c2e483dd5401f7e17273396ec30ab"}}