{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:HHKSODE2I5HPQGQGJAGZYM7BTQ","short_pith_number":"pith:HHKSODE2","canonical_record":{"source":{"id":"2605.18301","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2026-05-18T12:19:41Z","cross_cats_sorted":[],"title_canon_sha256":"38bd3924db768d27ef110d838ab3e037223027691bc74e5b7c2e5d035ac08d0f","abstract_canon_sha256":"47485b96fc52de4117c424885af86110d31ee369d128768b36387969d1f1aa81"},"schema_version":"1.0"},"canonical_sha256":"39d5270c9a474ef81a06480d9c33e19c0c8de51962ecf64356265a9065573b2c","source":{"kind":"arxiv","id":"2605.18301","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.18301","created_at":"2026-05-20T00:05:54Z"},{"alias_kind":"arxiv_version","alias_value":"2605.18301v1","created_at":"2026-05-20T00:05:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.18301","created_at":"2026-05-20T00:05:54Z"},{"alias_kind":"pith_short_12","alias_value":"HHKSODE2I5HP","created_at":"2026-05-20T00:05:54Z"},{"alias_kind":"pith_short_16","alias_value":"HHKSODE2I5HPQGQG","created_at":"2026-05-20T00:05:54Z"},{"alias_kind":"pith_short_8","alias_value":"HHKSODE2","created_at":"2026-05-20T00:05:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:HHKSODE2I5HPQGQGJAGZYM7BTQ","target":"record","payload":{"canonical_record":{"source":{"id":"2605.18301","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2026-05-18T12:19:41Z","cross_cats_sorted":[],"title_canon_sha256":"38bd3924db768d27ef110d838ab3e037223027691bc74e5b7c2e5d035ac08d0f","abstract_canon_sha256":"47485b96fc52de4117c424885af86110d31ee369d128768b36387969d1f1aa81"},"schema_version":"1.0"},"canonical_sha256":"39d5270c9a474ef81a06480d9c33e19c0c8de51962ecf64356265a9065573b2c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-20T00:05:54.143483Z","signature_b64":"AA0ogFNvCBRU9QF/xRSeSYDYNQaOe8Inu2tLed00a8xPB9joHAf8okQbyJAM4taQ9mLegE7iN87BkBDe3vd0DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"39d5270c9a474ef81a06480d9c33e19c0c8de51962ecf64356265a9065573b2c","last_reissued_at":"2026-05-20T00:05:54.142752Z","signature_status":"signed_v1","first_computed_at":"2026-05-20T00:05:54.142752Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2605.18301","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":"2026-05-20T00:05:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TMpX0SdfGbSidWkTTwQT7LG1UuiIUs24GEleQq3yQ7M5Nk6F+TvZsepJuSVYpB4Lq/sJvTABXeyemBpkTOA3CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T03:20:26.595953Z"},"content_sha256":"4d254c1f3a7c1e1c62596908255ea99658b336b658acf8b710891b65cd42e1bc","schema_version":"1.0","event_id":"sha256:4d254c1f3a7c1e1c62596908255ea99658b336b658acf8b710891b65cd42e1bc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:HHKSODE2I5HPQGQGJAGZYM7BTQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Probing Reionization up to the Mark: The Marked Power Spectrum to unveil the HI 21-cm signal from the EoR","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Abhirup Datta, Debanjan Sarkar, Leon Noble, Mohd Kamran, Suman Majumdar, Vishrut Pandya","submitted_at":"2026-05-18T12:19:41Z","abstract_excerpt":"The redshifted 21-cm signal from neutral hydrogen (HI) in the intergalactic medium (IGM) is a powerful probe of the Epoch of Reionization (EoR). Owing to the complex growth and morphology of ionized regions, the 21-cm brightness-temperature field becomes strongly non-Gaussian during the EoR, limiting the information captured by the standard power spectrum alone. While higher-order statistics such as the bispectrum can recover part of this information, they are computationally expensive and often less straightforward to interpret. In this work, we investigate marked statistics as an alternative"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.18301","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/2605.18301/integrity.json","findings":[],"available":true,"detectors_run":[{"name":"ai_meta_artifact","ran_at":"2026-05-19T23:33:35.210880Z","status":"skipped","version":"1.0.0","findings_count":0},{"name":"claim_evidence","ran_at":"2026-05-19T23:21:58.899537Z","status":"completed","version":"1.0.0","findings_count":0}],"snapshot_sha256":"5811fc8ef4f74f2cef8342f00c29bdb6dea140ebd70cbc8766c86b5eaa079616"},"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":"2026-05-20T00:05:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/RyUK/VY+o4bSnblZgI3lABLQHeQ77IusHEf2TEb0D6c3wCeUVeH80IaNggN030oXSjWolubZPSJoQ2aKTnHCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T03:20:26.596745Z"},"content_sha256":"97705f7921afb18007581aa1a37fc42cbd4b1057a284263ad35a4c28d1a98e87","schema_version":"1.0","event_id":"sha256:97705f7921afb18007581aa1a37fc42cbd4b1057a284263ad35a4c28d1a98e87"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HHKSODE2I5HPQGQGJAGZYM7BTQ/bundle.json","state_url":"https://pith.science/pith/HHKSODE2I5HPQGQGJAGZYM7BTQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HHKSODE2I5HPQGQGJAGZYM7BTQ/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":"2026-05-25T03:20:26Z","links":{"resolver":"https://pith.science/pith/HHKSODE2I5HPQGQGJAGZYM7BTQ","bundle":"https://pith.science/pith/HHKSODE2I5HPQGQGJAGZYM7BTQ/bundle.json","state":"https://pith.science/pith/HHKSODE2I5HPQGQGJAGZYM7BTQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HHKSODE2I5HPQGQGJAGZYM7BTQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:HHKSODE2I5HPQGQGJAGZYM7BTQ","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":"47485b96fc52de4117c424885af86110d31ee369d128768b36387969d1f1aa81","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2026-05-18T12:19:41Z","title_canon_sha256":"38bd3924db768d27ef110d838ab3e037223027691bc74e5b7c2e5d035ac08d0f"},"schema_version":"1.0","source":{"id":"2605.18301","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2605.18301","created_at":"2026-05-20T00:05:54Z"},{"alias_kind":"arxiv_version","alias_value":"2605.18301v1","created_at":"2026-05-20T00:05:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2605.18301","created_at":"2026-05-20T00:05:54Z"},{"alias_kind":"pith_short_12","alias_value":"HHKSODE2I5HP","created_at":"2026-05-20T00:05:54Z"},{"alias_kind":"pith_short_16","alias_value":"HHKSODE2I5HPQGQG","created_at":"2026-05-20T00:05:54Z"},{"alias_kind":"pith_short_8","alias_value":"HHKSODE2","created_at":"2026-05-20T00:05:54Z"}],"graph_snapshots":[{"event_id":"sha256:97705f7921afb18007581aa1a37fc42cbd4b1057a284263ad35a4c28d1a98e87","target":"graph","created_at":"2026-05-20T00:05:54Z","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":[{"findings_count":0,"name":"ai_meta_artifact","ran_at":"2026-05-19T23:33:35.210880Z","status":"skipped","version":"1.0.0"},{"findings_count":0,"name":"claim_evidence","ran_at":"2026-05-19T23:21:58.899537Z","status":"completed","version":"1.0.0"}],"endpoint":"/pith/2605.18301/integrity.json","findings":[],"snapshot_sha256":"5811fc8ef4f74f2cef8342f00c29bdb6dea140ebd70cbc8766c86b5eaa079616","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The redshifted 21-cm signal from neutral hydrogen (HI) in the intergalactic medium (IGM) is a powerful probe of the Epoch of Reionization (EoR). Owing to the complex growth and morphology of ionized regions, the 21-cm brightness-temperature field becomes strongly non-Gaussian during the EoR, limiting the information captured by the standard power spectrum alone. While higher-order statistics such as the bispectrum can recover part of this information, they are computationally expensive and often less straightforward to interpret. In this work, we investigate marked statistics as an alternative","authors_text":"Abhirup Datta, Debanjan Sarkar, Leon Noble, Mohd Kamran, Suman Majumdar, Vishrut Pandya","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2026-05-18T12:19:41Z","title":"Probing Reionization up to the Mark: The Marked Power Spectrum to unveil the HI 21-cm signal from the EoR"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2605.18301","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":"sha256:4d254c1f3a7c1e1c62596908255ea99658b336b658acf8b710891b65cd42e1bc","target":"record","created_at":"2026-05-20T00:05:54Z","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":"47485b96fc52de4117c424885af86110d31ee369d128768b36387969d1f1aa81","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2026-05-18T12:19:41Z","title_canon_sha256":"38bd3924db768d27ef110d838ab3e037223027691bc74e5b7c2e5d035ac08d0f"},"schema_version":"1.0","source":{"id":"2605.18301","kind":"arxiv","version":1}},"canonical_sha256":"39d5270c9a474ef81a06480d9c33e19c0c8de51962ecf64356265a9065573b2c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"39d5270c9a474ef81a06480d9c33e19c0c8de51962ecf64356265a9065573b2c","first_computed_at":"2026-05-20T00:05:54.142752Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-20T00:05:54.142752Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AA0ogFNvCBRU9QF/xRSeSYDYNQaOe8Inu2tLed00a8xPB9joHAf8okQbyJAM4taQ9mLegE7iN87BkBDe3vd0DQ==","signature_status":"signed_v1","signed_at":"2026-05-20T00:05:54.143483Z","signed_message":"canonical_sha256_bytes"},"source_id":"2605.18301","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4d254c1f3a7c1e1c62596908255ea99658b336b658acf8b710891b65cd42e1bc","sha256:97705f7921afb18007581aa1a37fc42cbd4b1057a284263ad35a4c28d1a98e87"],"state_sha256":"4af563bda725492f3cc64ab3166459191b2debdefc6088880aa4d30205443de2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"38W01mppmH97rVkEQRSEJh1+R+vDB8/k3tMk1UmtyUVX4VwFfw+hLFuxXt58MpfEYaG2oeSYz2cZ9gKBa3GgBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T03:20:26.600610Z","bundle_sha256":"13f65eab4c6afe0b3eca1d6388b411bafc6ed64df41405fae3d88a0b6111dee6"}}