{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1997:CTKC75UH33YTIF7EWB6IS6BJHR","short_pith_number":"pith:CTKC75UH","canonical_record":{"source":{"id":"astro-ph/9703020","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1997-03-04T15:26:34Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"ac542c8380a5ea6496881b54eaf6fc38a1614f92cd259dd3c19988e7884e60be","abstract_canon_sha256":"36af04abdd2f06ee3ccad9d3d68fcbe8e172822bc57e260f91026b59a655cfb8"},"schema_version":"1.0"},"canonical_sha256":"14d42ff687def13417e4b07c8978293c5869bb394b8f9dc68053de5dd45323d5","source":{"kind":"arxiv","id":"astro-ph/9703020","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9703020","created_at":"2026-07-04T16:02:54Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9703020v3","created_at":"2026-07-04T16:02:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9703020","created_at":"2026-07-04T16:02:54Z"},{"alias_kind":"pith_short_12","alias_value":"CTKC75UH33YT","created_at":"2026-07-04T16:02:54Z"},{"alias_kind":"pith_short_16","alias_value":"CTKC75UH33YTIF7E","created_at":"2026-07-04T16:02:54Z"},{"alias_kind":"pith_short_8","alias_value":"CTKC75UH","created_at":"2026-07-04T16:02:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1997:CTKC75UH33YTIF7EWB6IS6BJHR","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/9703020","kind":"arxiv","version":3},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1997-03-04T15:26:34Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"ac542c8380a5ea6496881b54eaf6fc38a1614f92cd259dd3c19988e7884e60be","abstract_canon_sha256":"36af04abdd2f06ee3ccad9d3d68fcbe8e172822bc57e260f91026b59a655cfb8"},"schema_version":"1.0"},"canonical_sha256":"14d42ff687def13417e4b07c8978293c5869bb394b8f9dc68053de5dd45323d5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:02:54.317948Z","signature_b64":"uFSQv81USAdQ3u8peU+4/lpP0fiv666mCn2fZBJ9jjap+iQ906ABz6G7S2V5+qu6ugyAKILbS3/0yFspfPHmBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"14d42ff687def13417e4b07c8978293c5869bb394b8f9dc68053de5dd45323d5","last_reissued_at":"2026-07-04T16:02:54.317522Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:02:54.317522Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/9703020","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T16:02:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GveUPB78UdeQFKuLHIWBSf592ttoUgJy+NkUiw37u0Bt84I2wJsuJxeRtKJ9ys8/ObodJkfxW6s5EMiduEs1CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T22:06:29.076241Z"},"content_sha256":"d354d36eb79fb22aa8d586560fb812378f44c255e9d13734c6472afbaef8ba4d","schema_version":"1.0","event_id":"sha256:d354d36eb79fb22aa8d586560fb812378f44c255e9d13734c6472afbaef8ba4d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1997:CTKC75UH33YTIF7EWB6IS6BJHR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An Attempt to Determine the Largest Scale of Primordial Density Perturbations in the Universe","license":"","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph","authors_text":"Arjun Berera, Gary Hinshaw, Li-Zhi Fang","submitted_at":"1997-03-04T15:26:34Z","abstract_excerpt":"Inflationary cosmology predicts that the particle horizon should be generically much bigger than the present-day Hubble radius, $1/H_0$. This implies a special regime of super-Hubble scale energy density fluctuations imprinted on the cosmic microwave background radiation (CMBR), which from present theory could only be explained by inflation Causality constraints are used to determine models for the power spectrum that accommodate a suppression scale. A three parameter likelihood analysis is performed of the COBE-DMR 4-year data with respect to the amplitude, spectral index, and suppression sca"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9703020","kind":"arxiv","version":3},"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/9703020/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":"2026-07-04T16:02:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KqL6IwAdhXQmGf8FuIZZOqg/cjYKW/g0wkBYoBhfDXALoOlqlVzJNrIYNenrm9kMgVGhdnIEnL8WB6BBrjSuDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T22:06:29.076772Z"},"content_sha256":"88cc7c9021f4d4f56b3a98ec21329a3d3eb281a637bcb9f7c949f4c6a0b5ec5d","schema_version":"1.0","event_id":"sha256:88cc7c9021f4d4f56b3a98ec21329a3d3eb281a637bcb9f7c949f4c6a0b5ec5d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CTKC75UH33YTIF7EWB6IS6BJHR/bundle.json","state_url":"https://pith.science/pith/CTKC75UH33YTIF7EWB6IS6BJHR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CTKC75UH33YTIF7EWB6IS6BJHR/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":"2026-08-05T22:06:29Z","links":{"resolver":"https://pith.science/pith/CTKC75UH33YTIF7EWB6IS6BJHR","bundle":"https://pith.science/pith/CTKC75UH33YTIF7EWB6IS6BJHR/bundle.json","state":"https://pith.science/pith/CTKC75UH33YTIF7EWB6IS6BJHR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CTKC75UH33YTIF7EWB6IS6BJHR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1997:CTKC75UH33YTIF7EWB6IS6BJHR","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":"36af04abdd2f06ee3ccad9d3d68fcbe8e172822bc57e260f91026b59a655cfb8","cross_cats_sorted":["hep-ph"],"license":"","primary_cat":"astro-ph","submitted_at":"1997-03-04T15:26:34Z","title_canon_sha256":"ac542c8380a5ea6496881b54eaf6fc38a1614f92cd259dd3c19988e7884e60be"},"schema_version":"1.0","source":{"id":"astro-ph/9703020","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9703020","created_at":"2026-07-04T16:02:54Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9703020v3","created_at":"2026-07-04T16:02:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9703020","created_at":"2026-07-04T16:02:54Z"},{"alias_kind":"pith_short_12","alias_value":"CTKC75UH33YT","created_at":"2026-07-04T16:02:54Z"},{"alias_kind":"pith_short_16","alias_value":"CTKC75UH33YTIF7E","created_at":"2026-07-04T16:02:54Z"},{"alias_kind":"pith_short_8","alias_value":"CTKC75UH","created_at":"2026-07-04T16:02:54Z"}],"graph_snapshots":[{"event_id":"sha256:88cc7c9021f4d4f56b3a98ec21329a3d3eb281a637bcb9f7c949f4c6a0b5ec5d","target":"graph","created_at":"2026-07-04T16:02:54Z","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":[],"endpoint":"/pith/astro-ph/9703020/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Inflationary cosmology predicts that the particle horizon should be generically much bigger than the present-day Hubble radius, $1/H_0$. This implies a special regime of super-Hubble scale energy density fluctuations imprinted on the cosmic microwave background radiation (CMBR), which from present theory could only be explained by inflation Causality constraints are used to determine models for the power spectrum that accommodate a suppression scale. A three parameter likelihood analysis is performed of the COBE-DMR 4-year data with respect to the amplitude, spectral index, and suppression sca","authors_text":"Arjun Berera, Gary Hinshaw, Li-Zhi Fang","cross_cats":["hep-ph"],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1997-03-04T15:26:34Z","title":"An Attempt to Determine the Largest Scale of Primordial Density Perturbations in the Universe"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9703020","kind":"arxiv","version":3},"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:d354d36eb79fb22aa8d586560fb812378f44c255e9d13734c6472afbaef8ba4d","target":"record","created_at":"2026-07-04T16:02:54Z","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":"36af04abdd2f06ee3ccad9d3d68fcbe8e172822bc57e260f91026b59a655cfb8","cross_cats_sorted":["hep-ph"],"license":"","primary_cat":"astro-ph","submitted_at":"1997-03-04T15:26:34Z","title_canon_sha256":"ac542c8380a5ea6496881b54eaf6fc38a1614f92cd259dd3c19988e7884e60be"},"schema_version":"1.0","source":{"id":"astro-ph/9703020","kind":"arxiv","version":3}},"canonical_sha256":"14d42ff687def13417e4b07c8978293c5869bb394b8f9dc68053de5dd45323d5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"14d42ff687def13417e4b07c8978293c5869bb394b8f9dc68053de5dd45323d5","first_computed_at":"2026-07-04T16:02:54.317522Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:02:54.317522Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uFSQv81USAdQ3u8peU+4/lpP0fiv666mCn2fZBJ9jjap+iQ906ABz6G7S2V5+qu6ugyAKILbS3/0yFspfPHmBw==","signature_status":"signed_v1","signed_at":"2026-07-04T16:02:54.317948Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9703020","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d354d36eb79fb22aa8d586560fb812378f44c255e9d13734c6472afbaef8ba4d","sha256:88cc7c9021f4d4f56b3a98ec21329a3d3eb281a637bcb9f7c949f4c6a0b5ec5d"],"state_sha256":"d8fd8734d2a162936774a6dde87a9edca0de2443e92d79e3ec05f795184ca357"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VTmi84zE0zDbFVOC09mYb5vGFZYJ7hdq1uq+na1ioxC/AR3vDBgBuQZfboZ/PzIvYUW2rCO7cUjUeT9zi3iFCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T22:06:29.082708Z","bundle_sha256":"d91d588f883e69f64e70cf291bbd4d0963b4979f1d5f79bde35127f5a21df085"}}