{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:K4ZLFL3UUCJTIET72NJURMVJZ3","short_pith_number":"pith:K4ZLFL3U","canonical_record":{"source":{"id":"astro-ph/0611632","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-11-20T16:00:36Z","cross_cats_sorted":[],"title_canon_sha256":"b6cce3716d07094fb799948ef62e1ec53d58258ddbfbb59b0db7ba3336d63ce5","abstract_canon_sha256":"f3e2e313c3b039be63a2e16da898dd4dbad103eb296d651d95a3f14908f400a0"},"schema_version":"1.0"},"canonical_sha256":"5732b2af74a09334127fd35348b2a9cec40c692abaddd9871d36c2281fb40078","source":{"kind":"arxiv","id":"astro-ph/0611632","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0611632","created_at":"2026-07-04T16:59:40Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0611632v1","created_at":"2026-07-04T16:59:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0611632","created_at":"2026-07-04T16:59:40Z"},{"alias_kind":"pith_short_12","alias_value":"K4ZLFL3UUCJT","created_at":"2026-07-04T16:59:40Z"},{"alias_kind":"pith_short_16","alias_value":"K4ZLFL3UUCJTIET7","created_at":"2026-07-04T16:59:40Z"},{"alias_kind":"pith_short_8","alias_value":"K4ZLFL3U","created_at":"2026-07-04T16:59:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:K4ZLFL3UUCJTIET72NJURMVJZ3","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0611632","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-11-20T16:00:36Z","cross_cats_sorted":[],"title_canon_sha256":"b6cce3716d07094fb799948ef62e1ec53d58258ddbfbb59b0db7ba3336d63ce5","abstract_canon_sha256":"f3e2e313c3b039be63a2e16da898dd4dbad103eb296d651d95a3f14908f400a0"},"schema_version":"1.0"},"canonical_sha256":"5732b2af74a09334127fd35348b2a9cec40c692abaddd9871d36c2281fb40078","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:59:40.440508Z","signature_b64":"4DRZ9mBZndbMaRMbmfpi0qYc9GgviHRdeSFK2fVS1I9C/iY77Ifp6WkFTrt6n37xjvHLKD4SJqY0Mfo1Uk+UDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5732b2af74a09334127fd35348b2a9cec40c692abaddd9871d36c2281fb40078","last_reissued_at":"2026-07-04T16:59:40.440012Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:59:40.440012Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0611632","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":"2026-07-04T16:59:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rQ5IrJfArSH24vSDs8k5EK8jUtJW11yIbvdS43p/nViPFtu74amItr1SskLM4KdY+LYlutiLmlflyIgLTp7gBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T17:58:51.654960Z"},"content_sha256":"d82caf3adcd4a9e73750e49574cffb5d98c380e0fd4de2430d6a5451b85c742b","schema_version":"1.0","event_id":"sha256:d82caf3adcd4a9e73750e49574cffb5d98c380e0fd4de2430d6a5451b85c742b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:K4ZLFL3UUCJTIET72NJURMVJZ3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spectral properties of X-ray bright variable sources in the Taurus Molecular Cloud","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Telleschi, B. Stelzer, E. Franciosini, F. Palla, G. Micela, I. Pillitteri, K. R. Briggs, L. Scelsi, M. Audard, M. Guedel","submitted_at":"2006-11-20T16:00:36Z","abstract_excerpt":"We analyze 19 bright variable X-ray sources detected in the XMM-Newton Extended Survey of the Taurus Molecular Cloud (XEST), in order to characterize the variations with time of their coronal properties and to derive informations on the X-ray emitting structures. We performed time-resolved spectroscopy of the EPIC PN and MOS spectra of the XEST sources, using a model with one or two thermal components, and we used the time evolution of the temperatures and emission measures during the decay phase of flares to derive the size of the flaring loops. The light curves of the selected sources show d"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0611632","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/0611632/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":"2026-07-04T16:59:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zzGu5i2S2ZVIM4/9Miq92D4BH+66bdXUZbbyWDpbB9aMfWd3RUch9bxSRORPwh8UfcVm3/TZmAx2DP00NcXnBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T17:58:51.655451Z"},"content_sha256":"384f447768a5ac24fa8e3e445925a3ebcb9726da5eea912943e6c19d098c2def","schema_version":"1.0","event_id":"sha256:384f447768a5ac24fa8e3e445925a3ebcb9726da5eea912943e6c19d098c2def"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K4ZLFL3UUCJTIET72NJURMVJZ3/bundle.json","state_url":"https://pith.science/pith/K4ZLFL3UUCJTIET72NJURMVJZ3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K4ZLFL3UUCJTIET72NJURMVJZ3/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":"2026-08-19T17:58:51Z","links":{"resolver":"https://pith.science/pith/K4ZLFL3UUCJTIET72NJURMVJZ3","bundle":"https://pith.science/pith/K4ZLFL3UUCJTIET72NJURMVJZ3/bundle.json","state":"https://pith.science/pith/K4ZLFL3UUCJTIET72NJURMVJZ3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K4ZLFL3UUCJTIET72NJURMVJZ3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:K4ZLFL3UUCJTIET72NJURMVJZ3","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":"f3e2e313c3b039be63a2e16da898dd4dbad103eb296d651d95a3f14908f400a0","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-11-20T16:00:36Z","title_canon_sha256":"b6cce3716d07094fb799948ef62e1ec53d58258ddbfbb59b0db7ba3336d63ce5"},"schema_version":"1.0","source":{"id":"astro-ph/0611632","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0611632","created_at":"2026-07-04T16:59:40Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0611632v1","created_at":"2026-07-04T16:59:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0611632","created_at":"2026-07-04T16:59:40Z"},{"alias_kind":"pith_short_12","alias_value":"K4ZLFL3UUCJT","created_at":"2026-07-04T16:59:40Z"},{"alias_kind":"pith_short_16","alias_value":"K4ZLFL3UUCJTIET7","created_at":"2026-07-04T16:59:40Z"},{"alias_kind":"pith_short_8","alias_value":"K4ZLFL3U","created_at":"2026-07-04T16:59:40Z"}],"graph_snapshots":[{"event_id":"sha256:384f447768a5ac24fa8e3e445925a3ebcb9726da5eea912943e6c19d098c2def","target":"graph","created_at":"2026-07-04T16:59:40Z","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/0611632/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We analyze 19 bright variable X-ray sources detected in the XMM-Newton Extended Survey of the Taurus Molecular Cloud (XEST), in order to characterize the variations with time of their coronal properties and to derive informations on the X-ray emitting structures. We performed time-resolved spectroscopy of the EPIC PN and MOS spectra of the XEST sources, using a model with one or two thermal components, and we used the time evolution of the temperatures and emission measures during the decay phase of flares to derive the size of the flaring loops. The light curves of the selected sources show d","authors_text":"A. Telleschi, B. Stelzer, E. Franciosini, F. Palla, G. Micela, I. Pillitteri, K. R. Briggs, L. Scelsi, M. Audard, M. Guedel","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2006-11-20T16:00:36Z","title":"Spectral properties of X-ray bright variable sources in the Taurus Molecular Cloud"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0611632","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:d82caf3adcd4a9e73750e49574cffb5d98c380e0fd4de2430d6a5451b85c742b","target":"record","created_at":"2026-07-04T16:59:40Z","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":"f3e2e313c3b039be63a2e16da898dd4dbad103eb296d651d95a3f14908f400a0","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-11-20T16:00:36Z","title_canon_sha256":"b6cce3716d07094fb799948ef62e1ec53d58258ddbfbb59b0db7ba3336d63ce5"},"schema_version":"1.0","source":{"id":"astro-ph/0611632","kind":"arxiv","version":1}},"canonical_sha256":"5732b2af74a09334127fd35348b2a9cec40c692abaddd9871d36c2281fb40078","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5732b2af74a09334127fd35348b2a9cec40c692abaddd9871d36c2281fb40078","first_computed_at":"2026-07-04T16:59:40.440012Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:59:40.440012Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4DRZ9mBZndbMaRMbmfpi0qYc9GgviHRdeSFK2fVS1I9C/iY77Ifp6WkFTrt6n37xjvHLKD4SJqY0Mfo1Uk+UDw==","signature_status":"signed_v1","signed_at":"2026-07-04T16:59:40.440508Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0611632","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d82caf3adcd4a9e73750e49574cffb5d98c380e0fd4de2430d6a5451b85c742b","sha256:384f447768a5ac24fa8e3e445925a3ebcb9726da5eea912943e6c19d098c2def"],"state_sha256":"9b5362c503102adbffec87bad6505356033e229b483127a10ecefbb357e39588"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZN56wAKixNHze+crohURzEg0qJEsSZ3qZRz29Z0X2WY6Kx87AmC7rOPm+s6BdGkDj2CTyVar/PLLava6EG8TCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-19T17:58:51.658976Z","bundle_sha256":"1a9a303284b395c866bd63a03de44761d9860f17746ed86cffb4d3bd788e2b83"}}