{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:UZGDZ3CX3XC6S6OV6P6QRHMDDE","short_pith_number":"pith:UZGDZ3CX","canonical_record":{"source":{"id":"1109.6408","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-09-29T06:21:43Z","cross_cats_sorted":[],"title_canon_sha256":"82db5be2aad25f7e5502275a2d98fcccc3175577765d6a2c86e30ec1132ec432","abstract_canon_sha256":"7c372d0287cac7d5118c311791efb7e2c396fa44a769711eaf0a74bd91ad59a6"},"schema_version":"1.0"},"canonical_sha256":"a64c3cec57ddc5e979d5f3fd089d83193a3362265e9c0787742f1a7cec24d7a7","source":{"kind":"arxiv","id":"1109.6408","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.6408","created_at":"2026-05-18T02:00:21Z"},{"alias_kind":"arxiv_version","alias_value":"1109.6408v1","created_at":"2026-05-18T02:00:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.6408","created_at":"2026-05-18T02:00:21Z"},{"alias_kind":"pith_short_12","alias_value":"UZGDZ3CX3XC6","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"UZGDZ3CX3XC6S6OV","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"UZGDZ3CX","created_at":"2026-05-18T12:26:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:UZGDZ3CX3XC6S6OV6P6QRHMDDE","target":"record","payload":{"canonical_record":{"source":{"id":"1109.6408","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-09-29T06:21:43Z","cross_cats_sorted":[],"title_canon_sha256":"82db5be2aad25f7e5502275a2d98fcccc3175577765d6a2c86e30ec1132ec432","abstract_canon_sha256":"7c372d0287cac7d5118c311791efb7e2c396fa44a769711eaf0a74bd91ad59a6"},"schema_version":"1.0"},"canonical_sha256":"a64c3cec57ddc5e979d5f3fd089d83193a3362265e9c0787742f1a7cec24d7a7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:21.735602Z","signature_b64":"OdPfflNVMhzs4qUo/kfjAynsebJzxyFSUie5DkrlNwM4Wt4uzvgKMYXPEGWERYngEOZRWUJUwnjK+3+rq8ArDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a64c3cec57ddc5e979d5f3fd089d83193a3362265e9c0787742f1a7cec24d7a7","last_reissued_at":"2026-05-18T02:00:21.735068Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:21.735068Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1109.6408","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":"2026-05-18T02:00:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mb6ZAJlBtlar1n6us30F6xOVkSZMuXKrTpzhNpmueqxDzo4TNdJWNbnAZsYdEAgFfQunVOplGwaV+vVA09apCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T02:49:38.721629Z"},"content_sha256":"ec152bf9a5b48b892541d3cf43d729bc760f87148c4e58ffb52e2f39d3685983","schema_version":"1.0","event_id":"sha256:ec152bf9a5b48b892541d3cf43d729bc760f87148c4e58ffb52e2f39d3685983"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:UZGDZ3CX3XC6S6OV6P6QRHMDDE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Detailed Study of Spitzer-IRAC Emission in Herbig-Haro Objects (II): Interaction Between Ejecta and Ambient Gas","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Brunella Nisini, Jennifer L. Karr, Michihiro Takami, Thomas P. Ray","submitted_at":"2011-09-29T06:21:43Z","abstract_excerpt":"We present a new analysis of the physical conditions in three Herbig-Haro complexes (HH 54, HH 212, and the L 1157 protostellar jet) using archival data from the Infrared Array Camera (IRAC) on the Spitzer Space Telescope. As described in detail in Paper I, the emission observed using the 4.5-micron filter is enhanced in molecular shocks (T=1000-4000 K) at relatively high temperature or densities compared with that observed with the 8.0-micron filter. Using these data sets, we investigate different distributions of gas between high and low temperatures/densities. Our analysis reveals the prese"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.6408","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":"2026-05-18T02:00:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HR84ESA9U0NLnnqJDgivugOWcNNRz1ojb+M6iH0Gvbiv5Q0buXLV2K6i6JLiYjN+75Ik1Tzo88JiP1TJLRS9DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T02:49:38.722444Z"},"content_sha256":"11ec55dc1416927303b372669673629e67ee83585256b1e91f14969350de84db","schema_version":"1.0","event_id":"sha256:11ec55dc1416927303b372669673629e67ee83585256b1e91f14969350de84db"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UZGDZ3CX3XC6S6OV6P6QRHMDDE/bundle.json","state_url":"https://pith.science/pith/UZGDZ3CX3XC6S6OV6P6QRHMDDE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UZGDZ3CX3XC6S6OV6P6QRHMDDE/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":"2026-06-04T02:49:38Z","links":{"resolver":"https://pith.science/pith/UZGDZ3CX3XC6S6OV6P6QRHMDDE","bundle":"https://pith.science/pith/UZGDZ3CX3XC6S6OV6P6QRHMDDE/bundle.json","state":"https://pith.science/pith/UZGDZ3CX3XC6S6OV6P6QRHMDDE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UZGDZ3CX3XC6S6OV6P6QRHMDDE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:UZGDZ3CX3XC6S6OV6P6QRHMDDE","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":"7c372d0287cac7d5118c311791efb7e2c396fa44a769711eaf0a74bd91ad59a6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-09-29T06:21:43Z","title_canon_sha256":"82db5be2aad25f7e5502275a2d98fcccc3175577765d6a2c86e30ec1132ec432"},"schema_version":"1.0","source":{"id":"1109.6408","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1109.6408","created_at":"2026-05-18T02:00:21Z"},{"alias_kind":"arxiv_version","alias_value":"1109.6408v1","created_at":"2026-05-18T02:00:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1109.6408","created_at":"2026-05-18T02:00:21Z"},{"alias_kind":"pith_short_12","alias_value":"UZGDZ3CX3XC6","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_16","alias_value":"UZGDZ3CX3XC6S6OV","created_at":"2026-05-18T12:26:42Z"},{"alias_kind":"pith_short_8","alias_value":"UZGDZ3CX","created_at":"2026-05-18T12:26:42Z"}],"graph_snapshots":[{"event_id":"sha256:11ec55dc1416927303b372669673629e67ee83585256b1e91f14969350de84db","target":"graph","created_at":"2026-05-18T02:00:21Z","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 present a new analysis of the physical conditions in three Herbig-Haro complexes (HH 54, HH 212, and the L 1157 protostellar jet) using archival data from the Infrared Array Camera (IRAC) on the Spitzer Space Telescope. As described in detail in Paper I, the emission observed using the 4.5-micron filter is enhanced in molecular shocks (T=1000-4000 K) at relatively high temperature or densities compared with that observed with the 8.0-micron filter. Using these data sets, we investigate different distributions of gas between high and low temperatures/densities. Our analysis reveals the prese","authors_text":"Brunella Nisini, Jennifer L. Karr, Michihiro Takami, Thomas P. Ray","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-09-29T06:21:43Z","title":"A Detailed Study of Spitzer-IRAC Emission in Herbig-Haro Objects (II): Interaction Between Ejecta and Ambient Gas"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1109.6408","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:ec152bf9a5b48b892541d3cf43d729bc760f87148c4e58ffb52e2f39d3685983","target":"record","created_at":"2026-05-18T02:00:21Z","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":"7c372d0287cac7d5118c311791efb7e2c396fa44a769711eaf0a74bd91ad59a6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-09-29T06:21:43Z","title_canon_sha256":"82db5be2aad25f7e5502275a2d98fcccc3175577765d6a2c86e30ec1132ec432"},"schema_version":"1.0","source":{"id":"1109.6408","kind":"arxiv","version":1}},"canonical_sha256":"a64c3cec57ddc5e979d5f3fd089d83193a3362265e9c0787742f1a7cec24d7a7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a64c3cec57ddc5e979d5f3fd089d83193a3362265e9c0787742f1a7cec24d7a7","first_computed_at":"2026-05-18T02:00:21.735068Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:00:21.735068Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OdPfflNVMhzs4qUo/kfjAynsebJzxyFSUie5DkrlNwM4Wt4uzvgKMYXPEGWERYngEOZRWUJUwnjK+3+rq8ArDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:00:21.735602Z","signed_message":"canonical_sha256_bytes"},"source_id":"1109.6408","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ec152bf9a5b48b892541d3cf43d729bc760f87148c4e58ffb52e2f39d3685983","sha256:11ec55dc1416927303b372669673629e67ee83585256b1e91f14969350de84db"],"state_sha256":"a703f658298243430927074b0f450b1b8f9a3ec57178d9fb1912e516074cc14e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OW4NOqfKzBMdFM/gOCHjf7Iug00gL/2yFJJFzOOLAEXvF1iwXSatwY/IWa61YXJbCY2zkpA5Pc8q7Djo4XmIBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T02:49:38.725330Z","bundle_sha256":"43793c5e501ec62479b49b85ada9add423be016f14626d9832c5214273fa78ec"}}