{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:T4OYMMN5GR6V7SJDVBM4G2YZQ2","short_pith_number":"pith:T4OYMMN5","canonical_record":{"source":{"id":"1205.5852","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-05-26T03:59:07Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"ea088dd42537104e7b30efba9604097e5c7190913ccca722d111f6442a58bf3a","abstract_canon_sha256":"24db0b0292eaf5fb3881d3a2240b654cc11cdbed20ac69b29d51547c6fba9aef"},"schema_version":"1.0"},"canonical_sha256":"9f1d8631bd347d5fc923a859c36b1986b6d930da004751e395b21445d4a6b066","source":{"kind":"arxiv","id":"1205.5852","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.5852","created_at":"2026-05-18T01:57:16Z"},{"alias_kind":"arxiv_version","alias_value":"1205.5852v1","created_at":"2026-05-18T01:57:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.5852","created_at":"2026-05-18T01:57:16Z"},{"alias_kind":"pith_short_12","alias_value":"T4OYMMN5GR6V","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"T4OYMMN5GR6V7SJD","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"T4OYMMN5","created_at":"2026-05-18T12:27:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:T4OYMMN5GR6V7SJDVBM4G2YZQ2","target":"record","payload":{"canonical_record":{"source":{"id":"1205.5852","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-05-26T03:59:07Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"ea088dd42537104e7b30efba9604097e5c7190913ccca722d111f6442a58bf3a","abstract_canon_sha256":"24db0b0292eaf5fb3881d3a2240b654cc11cdbed20ac69b29d51547c6fba9aef"},"schema_version":"1.0"},"canonical_sha256":"9f1d8631bd347d5fc923a859c36b1986b6d930da004751e395b21445d4a6b066","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:57:16.962824Z","signature_b64":"Uwh6evEm4SHd60clb9BbP2VAlGEWbQa3UAicokVUAUxIAFOvTWTquCox560nXTKoAW02s3PgR/gPqoN27SdHAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9f1d8631bd347d5fc923a859c36b1986b6d930da004751e395b21445d4a6b066","last_reissued_at":"2026-05-18T01:57:16.962227Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:57:16.962227Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1205.5852","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":"2026-05-18T01:57:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3CbjhVOWmKAIwz/8r3Ew067nM6ya63ZeY+r+InQUhEly1wXULmSYVyrx+zuAZTFeGyuUi98imHamFVKQM3sdBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T03:03:01.580933Z"},"content_sha256":"bbe8ef66aae4022343f9827a574246d23d5c1ce87f39e2af373bafb347351c61","schema_version":"1.0","event_id":"sha256:bbe8ef66aae4022343f9827a574246d23d5c1ce87f39e2af373bafb347351c61"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:T4OYMMN5GR6V7SJDVBM4G2YZQ2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evidence for Gamma-ray Jets in the Milky Way","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.HE","authors_text":"Douglas P. Finkbeiner, Meng Su","submitted_at":"2012-05-26T03:59:07Z","abstract_excerpt":"Although accretion onto supermassive black holes in other galaxies is seen to produce powerful jets in X-ray and radio, no convincing detection has ever been made of a kpc-scale jet in the Milky Way. The recently discovered pair of 10 kpc tall gamma-ray bubbles in our Galaxy may be a sign of earlier jet activity from the central black hole. In this paper, we identify a gamma-ray cocoon feature in the southern bubble, a jet-like feature along the cocoon's axis of symmetry, and another directly opposite the Galactic center in the north. Both the cocoon and jet-like feature have a hard spectrum w"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.5852","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":"2026-05-18T01:57:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y48sYBLTxA8db+FDEbVVm8TK1dJuDBJBvh72SsLSKJSteGAV3PPssmH2OsieLAxNvK68lUAkS9m2w8jyTwqzDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T03:03:01.581278Z"},"content_sha256":"9aa75b52978ae748ee5b95c949fcc9d112145f2b314e17c1b2a46ad4174c7fee","schema_version":"1.0","event_id":"sha256:9aa75b52978ae748ee5b95c949fcc9d112145f2b314e17c1b2a46ad4174c7fee"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T4OYMMN5GR6V7SJDVBM4G2YZQ2/bundle.json","state_url":"https://pith.science/pith/T4OYMMN5GR6V7SJDVBM4G2YZQ2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T4OYMMN5GR6V7SJDVBM4G2YZQ2/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":"2026-05-28T03:03:01Z","links":{"resolver":"https://pith.science/pith/T4OYMMN5GR6V7SJDVBM4G2YZQ2","bundle":"https://pith.science/pith/T4OYMMN5GR6V7SJDVBM4G2YZQ2/bundle.json","state":"https://pith.science/pith/T4OYMMN5GR6V7SJDVBM4G2YZQ2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T4OYMMN5GR6V7SJDVBM4G2YZQ2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:T4OYMMN5GR6V7SJDVBM4G2YZQ2","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":"24db0b0292eaf5fb3881d3a2240b654cc11cdbed20ac69b29d51547c6fba9aef","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-05-26T03:59:07Z","title_canon_sha256":"ea088dd42537104e7b30efba9604097e5c7190913ccca722d111f6442a58bf3a"},"schema_version":"1.0","source":{"id":"1205.5852","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1205.5852","created_at":"2026-05-18T01:57:16Z"},{"alias_kind":"arxiv_version","alias_value":"1205.5852v1","created_at":"2026-05-18T01:57:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1205.5852","created_at":"2026-05-18T01:57:16Z"},{"alias_kind":"pith_short_12","alias_value":"T4OYMMN5GR6V","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"T4OYMMN5GR6V7SJD","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"T4OYMMN5","created_at":"2026-05-18T12:27:23Z"}],"graph_snapshots":[{"event_id":"sha256:9aa75b52978ae748ee5b95c949fcc9d112145f2b314e17c1b2a46ad4174c7fee","target":"graph","created_at":"2026-05-18T01:57:16Z","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":"Although accretion onto supermassive black holes in other galaxies is seen to produce powerful jets in X-ray and radio, no convincing detection has ever been made of a kpc-scale jet in the Milky Way. The recently discovered pair of 10 kpc tall gamma-ray bubbles in our Galaxy may be a sign of earlier jet activity from the central black hole. In this paper, we identify a gamma-ray cocoon feature in the southern bubble, a jet-like feature along the cocoon's axis of symmetry, and another directly opposite the Galactic center in the north. Both the cocoon and jet-like feature have a hard spectrum w","authors_text":"Douglas P. Finkbeiner, Meng Su","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-05-26T03:59:07Z","title":"Evidence for Gamma-ray Jets in the Milky Way"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1205.5852","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:bbe8ef66aae4022343f9827a574246d23d5c1ce87f39e2af373bafb347351c61","target":"record","created_at":"2026-05-18T01:57:16Z","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":"24db0b0292eaf5fb3881d3a2240b654cc11cdbed20ac69b29d51547c6fba9aef","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2012-05-26T03:59:07Z","title_canon_sha256":"ea088dd42537104e7b30efba9604097e5c7190913ccca722d111f6442a58bf3a"},"schema_version":"1.0","source":{"id":"1205.5852","kind":"arxiv","version":1}},"canonical_sha256":"9f1d8631bd347d5fc923a859c36b1986b6d930da004751e395b21445d4a6b066","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9f1d8631bd347d5fc923a859c36b1986b6d930da004751e395b21445d4a6b066","first_computed_at":"2026-05-18T01:57:16.962227Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:57:16.962227Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Uwh6evEm4SHd60clb9BbP2VAlGEWbQa3UAicokVUAUxIAFOvTWTquCox560nXTKoAW02s3PgR/gPqoN27SdHAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:57:16.962824Z","signed_message":"canonical_sha256_bytes"},"source_id":"1205.5852","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bbe8ef66aae4022343f9827a574246d23d5c1ce87f39e2af373bafb347351c61","sha256:9aa75b52978ae748ee5b95c949fcc9d112145f2b314e17c1b2a46ad4174c7fee"],"state_sha256":"00bee8ebcbd4a4271d2672243ca59859d642c488a4fd6d8e3204696231bb4732"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZhpH1nhUu0vY9uFkl3dz7KY90ArzuZHONF6GilqytcqvHyYUJQSWCc1yW8wWXK4wA+3mJSgUQ2pp6qQRb7qVAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T03:03:01.583397Z","bundle_sha256":"d5474bd82e775ff22fbef93e89fc72d84d88cf51caf2d880adb4d5c8b38df84b"}}