{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:XS7TSWN4M37NKS64YN65PZ7CMN","short_pith_number":"pith:XS7TSWN4","canonical_record":{"source":{"id":"1712.02973","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-12-08T07:48:53Z","cross_cats_sorted":[],"title_canon_sha256":"7e85b1a0544ca40dad1289db079409ce53be410168aa49263a5c415dbbd630a4","abstract_canon_sha256":"bf0bc55257a982e3dcfd05b3b3c0a204fea647e509ae2043f667cd40f8df153b"},"schema_version":"1.0"},"canonical_sha256":"bcbf3959bc66fed54bdcc37dd7e7e2637d15fe676fe235145221e0910b7ab969","source":{"kind":"arxiv","id":"1712.02973","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.02973","created_at":"2026-05-18T00:28:28Z"},{"alias_kind":"arxiv_version","alias_value":"1712.02973v1","created_at":"2026-05-18T00:28:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.02973","created_at":"2026-05-18T00:28:28Z"},{"alias_kind":"pith_short_12","alias_value":"XS7TSWN4M37N","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_16","alias_value":"XS7TSWN4M37NKS64","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_8","alias_value":"XS7TSWN4","created_at":"2026-05-18T12:31:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:XS7TSWN4M37NKS64YN65PZ7CMN","target":"record","payload":{"canonical_record":{"source":{"id":"1712.02973","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-12-08T07:48:53Z","cross_cats_sorted":[],"title_canon_sha256":"7e85b1a0544ca40dad1289db079409ce53be410168aa49263a5c415dbbd630a4","abstract_canon_sha256":"bf0bc55257a982e3dcfd05b3b3c0a204fea647e509ae2043f667cd40f8df153b"},"schema_version":"1.0"},"canonical_sha256":"bcbf3959bc66fed54bdcc37dd7e7e2637d15fe676fe235145221e0910b7ab969","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:28:28.749798Z","signature_b64":"XGD7Re2hIrU5S+2n7CNjrxx/XGH8NSsKT7DTFa9UYf3nBj1fBZXbqs79+yWh2zku9TBiCPFnyIYPnm+/1glBBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bcbf3959bc66fed54bdcc37dd7e7e2637d15fe676fe235145221e0910b7ab969","last_reissued_at":"2026-05-18T00:28:28.749161Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:28:28.749161Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1712.02973","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":"2026-05-18T00:28:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RNmgc2BIVQE2l7mbRil4vnfJYZGbiFEFMtPy/guUqEGwJqpxbTIzrCYme2KhrwXpuUGuSzBJcG0dHc4drRmGAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T17:53:35.548977Z"},"content_sha256":"f63c57e37a3f2292e896d8101d7d63579b0c9413b2ed95395febaef87e13013e","schema_version":"1.0","event_id":"sha256:f63c57e37a3f2292e896d8101d7d63579b0c9413b2ed95395febaef87e13013e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:XS7TSWN4M37NKS64YN65PZ7CMN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Astrophysics Source Code Library: What's new, what's coming","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Alice Allen, G. Bruce Berriman, Jessica Mink, John Wallin, Judy Schmidt, Keith Shortridge, Kimberly DuPrie, Lior Shamir, Mark Taylor, Peter Teuben, P. Wesley Ryan, Rein H. Warmels, Robert Nemiroff","submitted_at":"2017-12-08T07:48:53Z","abstract_excerpt":"The Astrophysics Source Code Library (ASCL, ascl.net), established in 1999, is a citable online registry of source codes used in research that are available for download; the ASCL's main purpose is to improve the transparency, reproducibility, and falsifiability of research. In 2017, improvements to the resource included real-time data backup for submissions and newly-published entries, improved cross-matching of research papers with software entries in ADS, and expansion of preferred citation information for the software in the ASCL."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.02973","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":"2026-05-18T00:28:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ToOtp4sk+BnOtXJVSprudc3WTH5/lMViPew4ENXa3R9+YQUtjJNCIvPAtMUBqRE1Na+MPQXYfSWXPthXjsf7CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T17:53:35.549665Z"},"content_sha256":"d46552933f24bcdcf762cbd43a83a0b2c7e780fe37b4b713aa2eb752b073f14d","schema_version":"1.0","event_id":"sha256:d46552933f24bcdcf762cbd43a83a0b2c7e780fe37b4b713aa2eb752b073f14d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XS7TSWN4M37NKS64YN65PZ7CMN/bundle.json","state_url":"https://pith.science/pith/XS7TSWN4M37NKS64YN65PZ7CMN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XS7TSWN4M37NKS64YN65PZ7CMN/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":"2026-05-23T17:53:35Z","links":{"resolver":"https://pith.science/pith/XS7TSWN4M37NKS64YN65PZ7CMN","bundle":"https://pith.science/pith/XS7TSWN4M37NKS64YN65PZ7CMN/bundle.json","state":"https://pith.science/pith/XS7TSWN4M37NKS64YN65PZ7CMN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XS7TSWN4M37NKS64YN65PZ7CMN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:XS7TSWN4M37NKS64YN65PZ7CMN","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":"bf0bc55257a982e3dcfd05b3b3c0a204fea647e509ae2043f667cd40f8df153b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-12-08T07:48:53Z","title_canon_sha256":"7e85b1a0544ca40dad1289db079409ce53be410168aa49263a5c415dbbd630a4"},"schema_version":"1.0","source":{"id":"1712.02973","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.02973","created_at":"2026-05-18T00:28:28Z"},{"alias_kind":"arxiv_version","alias_value":"1712.02973v1","created_at":"2026-05-18T00:28:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.02973","created_at":"2026-05-18T00:28:28Z"},{"alias_kind":"pith_short_12","alias_value":"XS7TSWN4M37N","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_16","alias_value":"XS7TSWN4M37NKS64","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_8","alias_value":"XS7TSWN4","created_at":"2026-05-18T12:31:56Z"}],"graph_snapshots":[{"event_id":"sha256:d46552933f24bcdcf762cbd43a83a0b2c7e780fe37b4b713aa2eb752b073f14d","target":"graph","created_at":"2026-05-18T00:28:28Z","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":"The Astrophysics Source Code Library (ASCL, ascl.net), established in 1999, is a citable online registry of source codes used in research that are available for download; the ASCL's main purpose is to improve the transparency, reproducibility, and falsifiability of research. In 2017, improvements to the resource included real-time data backup for submissions and newly-published entries, improved cross-matching of research papers with software entries in ADS, and expansion of preferred citation information for the software in the ASCL.","authors_text":"Alice Allen, G. Bruce Berriman, Jessica Mink, John Wallin, Judy Schmidt, Keith Shortridge, Kimberly DuPrie, Lior Shamir, Mark Taylor, Peter Teuben, P. Wesley Ryan, Rein H. Warmels, Robert Nemiroff","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-12-08T07:48:53Z","title":"The Astrophysics Source Code Library: What's new, what's coming"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.02973","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:f63c57e37a3f2292e896d8101d7d63579b0c9413b2ed95395febaef87e13013e","target":"record","created_at":"2026-05-18T00:28:28Z","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":"bf0bc55257a982e3dcfd05b3b3c0a204fea647e509ae2043f667cd40f8df153b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2017-12-08T07:48:53Z","title_canon_sha256":"7e85b1a0544ca40dad1289db079409ce53be410168aa49263a5c415dbbd630a4"},"schema_version":"1.0","source":{"id":"1712.02973","kind":"arxiv","version":1}},"canonical_sha256":"bcbf3959bc66fed54bdcc37dd7e7e2637d15fe676fe235145221e0910b7ab969","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bcbf3959bc66fed54bdcc37dd7e7e2637d15fe676fe235145221e0910b7ab969","first_computed_at":"2026-05-18T00:28:28.749161Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:28:28.749161Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XGD7Re2hIrU5S+2n7CNjrxx/XGH8NSsKT7DTFa9UYf3nBj1fBZXbqs79+yWh2zku9TBiCPFnyIYPnm+/1glBBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:28:28.749798Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.02973","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f63c57e37a3f2292e896d8101d7d63579b0c9413b2ed95395febaef87e13013e","sha256:d46552933f24bcdcf762cbd43a83a0b2c7e780fe37b4b713aa2eb752b073f14d"],"state_sha256":"0062c603f457463eacbe7cb4c62cb831b07aa44c4b86a2c2a1337125ecb949fd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"osQK+Q0+cyBFejucPC5+61YA9OhbYdZ0X4cnjESBR3Tlzb14b4qBURxLiNkvXMN616GbLiUxAY4yCmy7/iboBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-23T17:53:35.553195Z","bundle_sha256":"bd0ec5d23f1e4e09bcfb648f2c67f6de35d02aaf78e801d3ee6ac5fd635a5fb9"}}