{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:V234KKVPI7ESZZCSDWGETQ3XTS","short_pith_number":"pith:V234KKVP","canonical_record":{"source":{"id":"astro-ph/0309142","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-09-04T13:36:05Z","cross_cats_sorted":[],"title_canon_sha256":"58b58adff5e270b100e5959ae42817a7526f3d9f86a93dd0ac92e08d9f25c717","abstract_canon_sha256":"0336d8714342bcaec62241bceb33cc2edc9c6b3e63e3b8125b05429429dc25e4"},"schema_version":"1.0"},"canonical_sha256":"aeb7c52aaf47c92ce4521d8c49c3779cb9052cd59db37cd0abb26922c36789c9","source":{"kind":"arxiv","id":"astro-ph/0309142","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0309142","created_at":"2026-07-04T16:37:26Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0309142v1","created_at":"2026-07-04T16:37:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0309142","created_at":"2026-07-04T16:37:26Z"},{"alias_kind":"pith_short_12","alias_value":"V234KKVPI7ES","created_at":"2026-07-04T16:37:26Z"},{"alias_kind":"pith_short_16","alias_value":"V234KKVPI7ESZZCS","created_at":"2026-07-04T16:37:26Z"},{"alias_kind":"pith_short_8","alias_value":"V234KKVP","created_at":"2026-07-04T16:37:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:V234KKVPI7ESZZCSDWGETQ3XTS","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0309142","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-09-04T13:36:05Z","cross_cats_sorted":[],"title_canon_sha256":"58b58adff5e270b100e5959ae42817a7526f3d9f86a93dd0ac92e08d9f25c717","abstract_canon_sha256":"0336d8714342bcaec62241bceb33cc2edc9c6b3e63e3b8125b05429429dc25e4"},"schema_version":"1.0"},"canonical_sha256":"aeb7c52aaf47c92ce4521d8c49c3779cb9052cd59db37cd0abb26922c36789c9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:37:26.783091Z","signature_b64":"A1w8M0P6zTqTm6DdkxLi6s8hqmoMAsHhXLU398c/7C5qmPbwTrH5nSLc962JXT/wCxeEs/jRfCWgwaAVZMnkCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aeb7c52aaf47c92ce4521d8c49c3779cb9052cd59db37cd0abb26922c36789c9","last_reissued_at":"2026-07-04T16:37:26.782704Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:37:26.782704Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0309142","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":"2026-07-04T16:37:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nxnFHazjpIv8TobGmj/uEmcZscmZlSji1gI/O50v22Y4FMVvMFDxubm50bRbED5KnDeAtof//HuwlNmpcSQcCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T01:21:33.398279Z"},"content_sha256":"282217efa490c2414e1cb61e922ebf4d6c528c25dbdc64912f9573dca8fdfa59","schema_version":"1.0","event_id":"sha256:282217efa490c2414e1cb61e922ebf4d6c528c25dbdc64912f9573dca8fdfa59"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:V234KKVPI7ESZZCSDWGETQ3XTS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Mapping the Circumstellar Environment of T Tauri with Fluorescent H_2 Emission","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Alexander Brown, Christopher M. Johns-Krull, David R. Ardila, Frederick M. Walter, Goesta F. Gahm, Gregory Herczeg, Jack J. Lissauer, Jeff A. Valenti, Michal Simon","submitted_at":"2003-09-04T13:36:05Z","abstract_excerpt":"We have obtained three long-slit, far UV spectra of the pre-main sequence system T Tauri. These HST/STIS spectra show a strong and variable on-source spectrum composed of both fluoresced H_2 and stellar chromospheric lines. Extended H_2 emission is seen up to 10\" from the T Tau system. The on-source and extended H_2 are both pumped by H I Lyman alpha. The on-source H_2 is pumped by the red wing of a broad, self-absorbed Ly-alpha line, while the progressions seen in the extended gas are pumped from near line center. This suggests that the extended H_2 is pumped locally, and not by the stellar L"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0309142","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0309142/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T16:37:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"40y0FI3mF33XjSZwIFSEFjrNfCBQoBD2ZRcFeFh/FF19NC60/eAPC7JGChawwVFuV7EWGw1PChRcMI1DMjTzCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T01:21:33.398667Z"},"content_sha256":"7ca76d3a86cc6de26279f1d3b2cf9847f27e76abcaa2eb65f2fcf3592ac3a24f","schema_version":"1.0","event_id":"sha256:7ca76d3a86cc6de26279f1d3b2cf9847f27e76abcaa2eb65f2fcf3592ac3a24f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/V234KKVPI7ESZZCSDWGETQ3XTS/bundle.json","state_url":"https://pith.science/pith/V234KKVPI7ESZZCSDWGETQ3XTS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/V234KKVPI7ESZZCSDWGETQ3XTS/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":"2026-07-05T01:21:33Z","links":{"resolver":"https://pith.science/pith/V234KKVPI7ESZZCSDWGETQ3XTS","bundle":"https://pith.science/pith/V234KKVPI7ESZZCSDWGETQ3XTS/bundle.json","state":"https://pith.science/pith/V234KKVPI7ESZZCSDWGETQ3XTS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/V234KKVPI7ESZZCSDWGETQ3XTS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:V234KKVPI7ESZZCSDWGETQ3XTS","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":"0336d8714342bcaec62241bceb33cc2edc9c6b3e63e3b8125b05429429dc25e4","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-09-04T13:36:05Z","title_canon_sha256":"58b58adff5e270b100e5959ae42817a7526f3d9f86a93dd0ac92e08d9f25c717"},"schema_version":"1.0","source":{"id":"astro-ph/0309142","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0309142","created_at":"2026-07-04T16:37:26Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0309142v1","created_at":"2026-07-04T16:37:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0309142","created_at":"2026-07-04T16:37:26Z"},{"alias_kind":"pith_short_12","alias_value":"V234KKVPI7ES","created_at":"2026-07-04T16:37:26Z"},{"alias_kind":"pith_short_16","alias_value":"V234KKVPI7ESZZCS","created_at":"2026-07-04T16:37:26Z"},{"alias_kind":"pith_short_8","alias_value":"V234KKVP","created_at":"2026-07-04T16:37:26Z"}],"graph_snapshots":[{"event_id":"sha256:7ca76d3a86cc6de26279f1d3b2cf9847f27e76abcaa2eb65f2fcf3592ac3a24f","target":"graph","created_at":"2026-07-04T16:37:26Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/astro-ph/0309142/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We have obtained three long-slit, far UV spectra of the pre-main sequence system T Tauri. These HST/STIS spectra show a strong and variable on-source spectrum composed of both fluoresced H_2 and stellar chromospheric lines. Extended H_2 emission is seen up to 10\" from the T Tau system. The on-source and extended H_2 are both pumped by H I Lyman alpha. The on-source H_2 is pumped by the red wing of a broad, self-absorbed Ly-alpha line, while the progressions seen in the extended gas are pumped from near line center. This suggests that the extended H_2 is pumped locally, and not by the stellar L","authors_text":"Alexander Brown, Christopher M. Johns-Krull, David R. Ardila, Frederick M. Walter, Goesta F. Gahm, Gregory Herczeg, Jack J. Lissauer, Jeff A. Valenti, Michal Simon","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2003-09-04T13:36:05Z","title":"Mapping the Circumstellar Environment of T Tauri with Fluorescent H_2 Emission"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0309142","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":"sha256:282217efa490c2414e1cb61e922ebf4d6c528c25dbdc64912f9573dca8fdfa59","target":"record","created_at":"2026-07-04T16:37:26Z","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":"0336d8714342bcaec62241bceb33cc2edc9c6b3e63e3b8125b05429429dc25e4","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-09-04T13:36:05Z","title_canon_sha256":"58b58adff5e270b100e5959ae42817a7526f3d9f86a93dd0ac92e08d9f25c717"},"schema_version":"1.0","source":{"id":"astro-ph/0309142","kind":"arxiv","version":1}},"canonical_sha256":"aeb7c52aaf47c92ce4521d8c49c3779cb9052cd59db37cd0abb26922c36789c9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"aeb7c52aaf47c92ce4521d8c49c3779cb9052cd59db37cd0abb26922c36789c9","first_computed_at":"2026-07-04T16:37:26.782704Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:37:26.782704Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"A1w8M0P6zTqTm6DdkxLi6s8hqmoMAsHhXLU398c/7C5qmPbwTrH5nSLc962JXT/wCxeEs/jRfCWgwaAVZMnkCg==","signature_status":"signed_v1","signed_at":"2026-07-04T16:37:26.783091Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0309142","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:282217efa490c2414e1cb61e922ebf4d6c528c25dbdc64912f9573dca8fdfa59","sha256:7ca76d3a86cc6de26279f1d3b2cf9847f27e76abcaa2eb65f2fcf3592ac3a24f"],"state_sha256":"edfcc5c9463012b2abd5f6c74b9097f2d18690edbadb5ed4a512ed08172110e7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E0j/znYPfG5tTbV9lytNhZ0YRGIGxreWTZ7diZReKf9bJvtfRVEm1nX250/36lj5lIgWMkNtLzpb8QHBqx7gCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T01:21:33.400551Z","bundle_sha256":"69d9066ed042c33628bd7a69aa5a72e438845f6dba7595864073410827bd641f"}}