{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:AJE6A4HTWBXGMTDOJA2O4HUX7Y","short_pith_number":"pith:AJE6A4HT","canonical_record":{"source":{"id":"2505.00092","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-04-30T18:03:01Z","cross_cats_sorted":["astro-ph.GA","astro-ph.IM","astro-ph.SR"],"title_canon_sha256":"a14630cd2d7a2c8d9011f77b5a88ac8b9958a37c9e8dd6c849acd6837a3842e4","abstract_canon_sha256":"7b7df48099816a28ace7375cb70cf3bf8bf53cd8d5a84e740fe6eb380677a9ff"},"schema_version":"1.0"},"canonical_sha256":"0249e070f3b06e664c6e4834ee1e97fe2e8938d1e2e9a2999096750d4761c49a","source":{"kind":"arxiv","id":"2505.00092","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.00092","created_at":"2026-07-05T10:56:41Z"},{"alias_kind":"arxiv_version","alias_value":"2505.00092v1","created_at":"2026-07-05T10:56:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.00092","created_at":"2026-07-05T10:56:41Z"},{"alias_kind":"pith_short_12","alias_value":"AJE6A4HTWBXG","created_at":"2026-07-05T10:56:41Z"},{"alias_kind":"pith_short_16","alias_value":"AJE6A4HTWBXGMTDO","created_at":"2026-07-05T10:56:41Z"},{"alias_kind":"pith_short_8","alias_value":"AJE6A4HT","created_at":"2026-07-05T10:56:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:AJE6A4HTWBXGMTDOJA2O4HUX7Y","target":"record","payload":{"canonical_record":{"source":{"id":"2505.00092","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-04-30T18:03:01Z","cross_cats_sorted":["astro-ph.GA","astro-ph.IM","astro-ph.SR"],"title_canon_sha256":"a14630cd2d7a2c8d9011f77b5a88ac8b9958a37c9e8dd6c849acd6837a3842e4","abstract_canon_sha256":"7b7df48099816a28ace7375cb70cf3bf8bf53cd8d5a84e740fe6eb380677a9ff"},"schema_version":"1.0"},"canonical_sha256":"0249e070f3b06e664c6e4834ee1e97fe2e8938d1e2e9a2999096750d4761c49a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:56:41.601132Z","signature_b64":"aRIl+NPiEsu9zUOQyxEvRR2Tf9KdUi1eycHjSsHroxiT5+9kzs+EoH3CobnSnarUXwKh/Pia42vJXUyV1xfnCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0249e070f3b06e664c6e4834ee1e97fe2e8938d1e2e9a2999096750d4761c49a","last_reissued_at":"2026-07-05T10:56:41.600661Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:56:41.600661Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2505.00092","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":"2026-07-05T10:56:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XGJHf8P3a7fofDbtxlhnRpgTFEkfi00Ub7lUHeyLrQl+Qj7ZEYlFYgs4B5EFe0doHwVzBxxTOFi3ALbHaZ3eBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T02:14:52.189079Z"},"content_sha256":"f6316253effca70ab68201846a900ec43254ac2364f2c2ba67899ce5ca10ca55","schema_version":"1.0","event_id":"sha256:f6316253effca70ab68201846a900ec43254ac2364f2c2ba67899ce5ca10ca55"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:AJE6A4HTWBXGMTDOJA2O4HUX7Y","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Reconstructing the Free-floating Planet Mass Function with the Nancy Grace Roman Space Telescope","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.IM","astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"Matthew T. Penny, Peter McGill, Samson A. Johnson, William DeRocco","submitted_at":"2025-04-30T18:03:01Z","abstract_excerpt":"Free-floating planets comprise one of the most enigmatic populations of exoplanets in the Galaxy. Though ground-based observations point to a large abundance of these worlds, little is known about their origins and demographics. In the coming years, the Nancy Grace Roman Space Telescope's Galactic Bulge Time Domain Survey is expected to detect several hundred free-floating planets, providing the first opportunity to characterize these worlds at the population level. We present a first study of Roman's prospects for reconstructing the mass distribution of free-floating planets through populatio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.00092","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/2505.00092/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":"2026-07-05T10:56:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OLlwMwglONkuLf6A4hJFbSuF+1fv383KJ7D6N5yF4w3SIvx5kAW+xnoiEHO6ZzAeaNN+Qt1KHsHt3yi9AenvBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T02:14:52.189596Z"},"content_sha256":"6b2862da3e05f676aa78d2481ef989a9f717117648ee28ba5a5fa6fbf569cd08","schema_version":"1.0","event_id":"sha256:6b2862da3e05f676aa78d2481ef989a9f717117648ee28ba5a5fa6fbf569cd08"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/AJE6A4HTWBXGMTDOJA2O4HUX7Y/bundle.json","state_url":"https://pith.science/pith/AJE6A4HTWBXGMTDOJA2O4HUX7Y/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/AJE6A4HTWBXGMTDOJA2O4HUX7Y/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":"2026-08-05T02:14:52Z","links":{"resolver":"https://pith.science/pith/AJE6A4HTWBXGMTDOJA2O4HUX7Y","bundle":"https://pith.science/pith/AJE6A4HTWBXGMTDOJA2O4HUX7Y/bundle.json","state":"https://pith.science/pith/AJE6A4HTWBXGMTDOJA2O4HUX7Y/state.json","well_known_bundle":"https://pith.science/.well-known/pith/AJE6A4HTWBXGMTDOJA2O4HUX7Y/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:AJE6A4HTWBXGMTDOJA2O4HUX7Y","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":"7b7df48099816a28ace7375cb70cf3bf8bf53cd8d5a84e740fe6eb380677a9ff","cross_cats_sorted":["astro-ph.GA","astro-ph.IM","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-04-30T18:03:01Z","title_canon_sha256":"a14630cd2d7a2c8d9011f77b5a88ac8b9958a37c9e8dd6c849acd6837a3842e4"},"schema_version":"1.0","source":{"id":"2505.00092","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2505.00092","created_at":"2026-07-05T10:56:41Z"},{"alias_kind":"arxiv_version","alias_value":"2505.00092v1","created_at":"2026-07-05T10:56:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2505.00092","created_at":"2026-07-05T10:56:41Z"},{"alias_kind":"pith_short_12","alias_value":"AJE6A4HTWBXG","created_at":"2026-07-05T10:56:41Z"},{"alias_kind":"pith_short_16","alias_value":"AJE6A4HTWBXGMTDO","created_at":"2026-07-05T10:56:41Z"},{"alias_kind":"pith_short_8","alias_value":"AJE6A4HT","created_at":"2026-07-05T10:56:41Z"}],"graph_snapshots":[{"event_id":"sha256:6b2862da3e05f676aa78d2481ef989a9f717117648ee28ba5a5fa6fbf569cd08","target":"graph","created_at":"2026-07-05T10:56:41Z","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/2505.00092/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Free-floating planets comprise one of the most enigmatic populations of exoplanets in the Galaxy. Though ground-based observations point to a large abundance of these worlds, little is known about their origins and demographics. In the coming years, the Nancy Grace Roman Space Telescope's Galactic Bulge Time Domain Survey is expected to detect several hundred free-floating planets, providing the first opportunity to characterize these worlds at the population level. We present a first study of Roman's prospects for reconstructing the mass distribution of free-floating planets through populatio","authors_text":"Matthew T. Penny, Peter McGill, Samson A. Johnson, William DeRocco","cross_cats":["astro-ph.GA","astro-ph.IM","astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-04-30T18:03:01Z","title":"Reconstructing the Free-floating Planet Mass Function with the Nancy Grace Roman Space Telescope"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2505.00092","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:f6316253effca70ab68201846a900ec43254ac2364f2c2ba67899ce5ca10ca55","target":"record","created_at":"2026-07-05T10:56:41Z","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":"7b7df48099816a28ace7375cb70cf3bf8bf53cd8d5a84e740fe6eb380677a9ff","cross_cats_sorted":["astro-ph.GA","astro-ph.IM","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-04-30T18:03:01Z","title_canon_sha256":"a14630cd2d7a2c8d9011f77b5a88ac8b9958a37c9e8dd6c849acd6837a3842e4"},"schema_version":"1.0","source":{"id":"2505.00092","kind":"arxiv","version":1}},"canonical_sha256":"0249e070f3b06e664c6e4834ee1e97fe2e8938d1e2e9a2999096750d4761c49a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0249e070f3b06e664c6e4834ee1e97fe2e8938d1e2e9a2999096750d4761c49a","first_computed_at":"2026-07-05T10:56:41.600661Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:56:41.600661Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aRIl+NPiEsu9zUOQyxEvRR2Tf9KdUi1eycHjSsHroxiT5+9kzs+EoH3CobnSnarUXwKh/Pia42vJXUyV1xfnCg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:56:41.601132Z","signed_message":"canonical_sha256_bytes"},"source_id":"2505.00092","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f6316253effca70ab68201846a900ec43254ac2364f2c2ba67899ce5ca10ca55","sha256:6b2862da3e05f676aa78d2481ef989a9f717117648ee28ba5a5fa6fbf569cd08"],"state_sha256":"941401f417376292b697506614ab7b726bde0b1e37a0b7e853191b59af19cfc7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8lqogXfyBrmI011/RIs7yudwvtqFUmjQmlrZViZ0/o087fOY3EPTdzE8yo/DN1Wyo4Z06NcAnfKCcw3m0e3QAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T02:14:52.193169Z","bundle_sha256":"3dd93d56552342db79a22551d5fc73c4e9a346949e33a34521b69c290e5fc03d"}}