{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:GLFVVM7FUISG7LM5WUEVI3ST6A","short_pith_number":"pith:GLFVVM7F","canonical_record":{"source":{"id":"0907.3162","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-07-17T21:22:09Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"e91edfcdfa27bb2ea5acbd3be29a748f79003fa6a1d94fd0707cff5971649196","abstract_canon_sha256":"f8bc5572fcb470ada67e7c2b26642a659a74d3b6e945af41b4e9d306d37d6966"},"schema_version":"1.0"},"canonical_sha256":"32cb5ab3e5a2246fad9db509546e53f0213b101a4166228081b3631bf26fb43f","source":{"kind":"arxiv","id":"0907.3162","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0907.3162","created_at":"2026-05-18T02:12:55Z"},{"alias_kind":"arxiv_version","alias_value":"0907.3162v1","created_at":"2026-05-18T02:12:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0907.3162","created_at":"2026-05-18T02:12:55Z"},{"alias_kind":"pith_short_12","alias_value":"GLFVVM7FUISG","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"GLFVVM7FUISG7LM5","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"GLFVVM7F","created_at":"2026-05-18T12:25:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:GLFVVM7FUISG7LM5WUEVI3ST6A","target":"record","payload":{"canonical_record":{"source":{"id":"0907.3162","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-07-17T21:22:09Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"e91edfcdfa27bb2ea5acbd3be29a748f79003fa6a1d94fd0707cff5971649196","abstract_canon_sha256":"f8bc5572fcb470ada67e7c2b26642a659a74d3b6e945af41b4e9d306d37d6966"},"schema_version":"1.0"},"canonical_sha256":"32cb5ab3e5a2246fad9db509546e53f0213b101a4166228081b3631bf26fb43f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:12:55.995422Z","signature_b64":"lEfVCMUzpkNDsXFifEgeKoCfZ1Ciy/SBaOA4ChPMc/CjLku4iy6yehQSabUliAL3rFkKFlJaU31KEsUliiqBCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"32cb5ab3e5a2246fad9db509546e53f0213b101a4166228081b3631bf26fb43f","last_reissued_at":"2026-05-18T02:12:55.994755Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:12:55.994755Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0907.3162","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":"2026-05-18T02:12:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gP4ibB4mxDsoKyjfq/O8KU9cM8cCuXvL2EwP/mjKETOrIFd6iOhFBEDc7A1oCJHRPl6VY5qcLQTeYpBTE8i0Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T12:05:48.882442Z"},"content_sha256":"b2710c6ce28197cb58bc5ade12533119d1456eeda5a9760b57c5797d2ac7643e","schema_version":"1.0","event_id":"sha256:b2710c6ce28197cb58bc5ade12533119d1456eeda5a9760b57c5797d2ac7643e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:GLFVVM7FUISG7LM5WUEVI3ST6A","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Optical Structure of the Starburst Galaxy M82. II. Nebular Properties of the Disk and Inner-Wind","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"(2) University of Wisconsin-Madison, 3), (3) STScI, (4) Gemini, (5) Cambridge), ESA, G. Trancho (4), I. S. Konstantopoulos (1) ((1) UCL, J. S. Gallagher (2), L. J. Smith (1, M. S. Westmoquette (1), N. Bastian (5)","submitted_at":"2009-07-17T21:22:09Z","abstract_excerpt":"(Abridged) In this second paper of the series, we present the results from optical Gemini-North GMOS-IFU and WIYN DensePak IFU spectroscopic observations of the starburst and inner wind zones of M82, with a focus on the state of the T~10^4 K ionized interstellar medium. Our electron density maps show peaks of a few 1000 cm-3, local small spatial-scale variations, and a fall-off in the minor axis direction. We discuss the implications of these results with regards to the conditions/locations that may favour the escape of individual cluster winds. Our findings imply that the starburst environmen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0907.3162","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":"2026-05-18T02:12:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4Ni8WIydtjUKb8UO1skXj5jUB1O1Q79WsqsTp3mcSIqprnDKVLFuL6CUVd2D4CRo9MlB0aRrGFtTAbL9Vz8mDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T12:05:48.882790Z"},"content_sha256":"76c2e36ce678d3f8f37c40e6e61d5f828daaf994fd878d3d82dae4ddbd66190b","schema_version":"1.0","event_id":"sha256:76c2e36ce678d3f8f37c40e6e61d5f828daaf994fd878d3d82dae4ddbd66190b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GLFVVM7FUISG7LM5WUEVI3ST6A/bundle.json","state_url":"https://pith.science/pith/GLFVVM7FUISG7LM5WUEVI3ST6A/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GLFVVM7FUISG7LM5WUEVI3ST6A/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":"2026-05-30T12:05:48Z","links":{"resolver":"https://pith.science/pith/GLFVVM7FUISG7LM5WUEVI3ST6A","bundle":"https://pith.science/pith/GLFVVM7FUISG7LM5WUEVI3ST6A/bundle.json","state":"https://pith.science/pith/GLFVVM7FUISG7LM5WUEVI3ST6A/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GLFVVM7FUISG7LM5WUEVI3ST6A/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:GLFVVM7FUISG7LM5WUEVI3ST6A","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":"f8bc5572fcb470ada67e7c2b26642a659a74d3b6e945af41b4e9d306d37d6966","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-07-17T21:22:09Z","title_canon_sha256":"e91edfcdfa27bb2ea5acbd3be29a748f79003fa6a1d94fd0707cff5971649196"},"schema_version":"1.0","source":{"id":"0907.3162","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0907.3162","created_at":"2026-05-18T02:12:55Z"},{"alias_kind":"arxiv_version","alias_value":"0907.3162v1","created_at":"2026-05-18T02:12:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0907.3162","created_at":"2026-05-18T02:12:55Z"},{"alias_kind":"pith_short_12","alias_value":"GLFVVM7FUISG","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"GLFVVM7FUISG7LM5","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"GLFVVM7F","created_at":"2026-05-18T12:25:59Z"}],"graph_snapshots":[{"event_id":"sha256:76c2e36ce678d3f8f37c40e6e61d5f828daaf994fd878d3d82dae4ddbd66190b","target":"graph","created_at":"2026-05-18T02:12:55Z","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":"(Abridged) In this second paper of the series, we present the results from optical Gemini-North GMOS-IFU and WIYN DensePak IFU spectroscopic observations of the starburst and inner wind zones of M82, with a focus on the state of the T~10^4 K ionized interstellar medium. Our electron density maps show peaks of a few 1000 cm-3, local small spatial-scale variations, and a fall-off in the minor axis direction. We discuss the implications of these results with regards to the conditions/locations that may favour the escape of individual cluster winds. Our findings imply that the starburst environmen","authors_text":"(2) University of Wisconsin-Madison, 3), (3) STScI, (4) Gemini, (5) Cambridge), ESA, G. Trancho (4), I. S. Konstantopoulos (1) ((1) UCL, J. S. Gallagher (2), L. J. Smith (1, M. S. Westmoquette (1), N. Bastian (5)","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-07-17T21:22:09Z","title":"The Optical Structure of the Starburst Galaxy M82. II. Nebular Properties of the Disk and Inner-Wind"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0907.3162","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:b2710c6ce28197cb58bc5ade12533119d1456eeda5a9760b57c5797d2ac7643e","target":"record","created_at":"2026-05-18T02:12:55Z","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":"f8bc5572fcb470ada67e7c2b26642a659a74d3b6e945af41b4e9d306d37d6966","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-07-17T21:22:09Z","title_canon_sha256":"e91edfcdfa27bb2ea5acbd3be29a748f79003fa6a1d94fd0707cff5971649196"},"schema_version":"1.0","source":{"id":"0907.3162","kind":"arxiv","version":1}},"canonical_sha256":"32cb5ab3e5a2246fad9db509546e53f0213b101a4166228081b3631bf26fb43f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"32cb5ab3e5a2246fad9db509546e53f0213b101a4166228081b3631bf26fb43f","first_computed_at":"2026-05-18T02:12:55.994755Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:12:55.994755Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lEfVCMUzpkNDsXFifEgeKoCfZ1Ciy/SBaOA4ChPMc/CjLku4iy6yehQSabUliAL3rFkKFlJaU31KEsUliiqBCA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:12:55.995422Z","signed_message":"canonical_sha256_bytes"},"source_id":"0907.3162","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b2710c6ce28197cb58bc5ade12533119d1456eeda5a9760b57c5797d2ac7643e","sha256:76c2e36ce678d3f8f37c40e6e61d5f828daaf994fd878d3d82dae4ddbd66190b"],"state_sha256":"c18ab4a789d3fb487ce908bb4e74038488b587f4c741c53a9612fc8d198c0268"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q/oXOUxzBFL+UNCVXfx7yA1pr3IUbruNI1TIw4AiuGS6uQ4XzykoQpvlXsT81G/S1s13uQaawWExfWQmXAt4Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T12:05:48.884735Z","bundle_sha256":"f385609ac7baa690de64b00b6949bdd2c3643efb22ad058a6d32459aaf063ebe"}}