{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:4C7LZV44KMYYJVKS2XVBLWHWX2","short_pith_number":"pith:4C7LZV44","canonical_record":{"source":{"id":"1712.01254","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-12-04T18:56:54Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"0625942a956cb57d222baefa2bd41a35d5aab73a008f7a7da82f374c91b69c9b","abstract_canon_sha256":"85cd7740e3e0a3eb512f492f0af56ff703b9ff5a2aaca1e348272b927a024fad"},"schema_version":"1.0"},"canonical_sha256":"e0bebcd79c533184d552d5ea15d8f6beaa904610dee8477897854d046a8e3254","source":{"kind":"arxiv","id":"1712.01254","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.01254","created_at":"2026-05-18T00:15:19Z"},{"alias_kind":"arxiv_version","alias_value":"1712.01254v1","created_at":"2026-05-18T00:15:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.01254","created_at":"2026-05-18T00:15:19Z"},{"alias_kind":"pith_short_12","alias_value":"4C7LZV44KMYY","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"4C7LZV44KMYYJVKS","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"4C7LZV44","created_at":"2026-05-18T12:30:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:4C7LZV44KMYYJVKS2XVBLWHWX2","target":"record","payload":{"canonical_record":{"source":{"id":"1712.01254","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-12-04T18:56:54Z","cross_cats_sorted":["hep-ph"],"title_canon_sha256":"0625942a956cb57d222baefa2bd41a35d5aab73a008f7a7da82f374c91b69c9b","abstract_canon_sha256":"85cd7740e3e0a3eb512f492f0af56ff703b9ff5a2aaca1e348272b927a024fad"},"schema_version":"1.0"},"canonical_sha256":"e0bebcd79c533184d552d5ea15d8f6beaa904610dee8477897854d046a8e3254","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:15:19.610369Z","signature_b64":"LtEt35akWL+U7rEpCBvXTXFI4+qs3U4j0zm8CgylMFugrmbGE8fsWSXOl8Kqwn4NIWtZSceYm7z4KUjr2/sXDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e0bebcd79c533184d552d5ea15d8f6beaa904610dee8477897854d046a8e3254","last_reissued_at":"2026-05-18T00:15:19.609863Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:15:19.609863Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1712.01254","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":"2026-05-18T00:15:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fV0lbaufKsh+IRd38d4lgLPvo1pB/fa6MZ0mS0QKymCRaPDeGbjgfz53rxZx2oEbG5Dqx0tqxaMIj9ci+8vOBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T04:46:13.365360Z"},"content_sha256":"9c3cb49db50c411c244d8b51245961d8954b7caf436c948d76eb8a13c85aceb6","schema_version":"1.0","event_id":"sha256:9c3cb49db50c411c244d8b51245961d8954b7caf436c948d76eb8a13c85aceb6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:4C7LZV44KMYYJVKS2XVBLWHWX2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Bounds on Neutrino Mass in Viscous Cosmology","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Arindam Mazumdar, Prakrut Chaubal, Priyank Parashari, Sampurn Anand, Subhendra Mohanty","submitted_at":"2017-12-04T18:56:54Z","abstract_excerpt":"Effective field theory of dark matter fluid on large scales predicts the presence of viscosity of the order of $10^{-6} H_0 M_P^2$. It has been shown that this magnitude of viscosities can resolve the discordance between large scale structure observations and Planck CMB data in the $\\sigma_8$-$\\Omega_m^0$ and $H_0$-$\\Omega_m^0$ parameters space. Massive neutrinos suppresses the matter power spectrum on the small length scales similar to the viscosities. We show that by including the effective viscosity, which arises from summing over non linear perturbations at small length scales, severely co"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.01254","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":"2026-05-18T00:15:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZB28AUtoIfpbRmNLKomtpE4gTLyUzTEHk5fKfuckGozK7cIKjnTXvJC05buzHXpgy71xsEPj7MAl7ju1fx1KCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T04:46:13.365710Z"},"content_sha256":"015efd0e857ebc462cbe86e2d8c7c0e02e902c32ecd755be9dc38bfe492b8527","schema_version":"1.0","event_id":"sha256:015efd0e857ebc462cbe86e2d8c7c0e02e902c32ecd755be9dc38bfe492b8527"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4C7LZV44KMYYJVKS2XVBLWHWX2/bundle.json","state_url":"https://pith.science/pith/4C7LZV44KMYYJVKS2XVBLWHWX2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4C7LZV44KMYYJVKS2XVBLWHWX2/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":"2026-06-03T04:46:13Z","links":{"resolver":"https://pith.science/pith/4C7LZV44KMYYJVKS2XVBLWHWX2","bundle":"https://pith.science/pith/4C7LZV44KMYYJVKS2XVBLWHWX2/bundle.json","state":"https://pith.science/pith/4C7LZV44KMYYJVKS2XVBLWHWX2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4C7LZV44KMYYJVKS2XVBLWHWX2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:4C7LZV44KMYYJVKS2XVBLWHWX2","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":"85cd7740e3e0a3eb512f492f0af56ff703b9ff5a2aaca1e348272b927a024fad","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-12-04T18:56:54Z","title_canon_sha256":"0625942a956cb57d222baefa2bd41a35d5aab73a008f7a7da82f374c91b69c9b"},"schema_version":"1.0","source":{"id":"1712.01254","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.01254","created_at":"2026-05-18T00:15:19Z"},{"alias_kind":"arxiv_version","alias_value":"1712.01254v1","created_at":"2026-05-18T00:15:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.01254","created_at":"2026-05-18T00:15:19Z"},{"alias_kind":"pith_short_12","alias_value":"4C7LZV44KMYY","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"4C7LZV44KMYYJVKS","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"4C7LZV44","created_at":"2026-05-18T12:30:58Z"}],"graph_snapshots":[{"event_id":"sha256:015efd0e857ebc462cbe86e2d8c7c0e02e902c32ecd755be9dc38bfe492b8527","target":"graph","created_at":"2026-05-18T00:15:19Z","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":"Effective field theory of dark matter fluid on large scales predicts the presence of viscosity of the order of $10^{-6} H_0 M_P^2$. It has been shown that this magnitude of viscosities can resolve the discordance between large scale structure observations and Planck CMB data in the $\\sigma_8$-$\\Omega_m^0$ and $H_0$-$\\Omega_m^0$ parameters space. Massive neutrinos suppresses the matter power spectrum on the small length scales similar to the viscosities. We show that by including the effective viscosity, which arises from summing over non linear perturbations at small length scales, severely co","authors_text":"Arindam Mazumdar, Prakrut Chaubal, Priyank Parashari, Sampurn Anand, Subhendra Mohanty","cross_cats":["hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-12-04T18:56:54Z","title":"Bounds on Neutrino Mass in Viscous Cosmology"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.01254","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":"sha256:9c3cb49db50c411c244d8b51245961d8954b7caf436c948d76eb8a13c85aceb6","target":"record","created_at":"2026-05-18T00:15:19Z","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":"85cd7740e3e0a3eb512f492f0af56ff703b9ff5a2aaca1e348272b927a024fad","cross_cats_sorted":["hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2017-12-04T18:56:54Z","title_canon_sha256":"0625942a956cb57d222baefa2bd41a35d5aab73a008f7a7da82f374c91b69c9b"},"schema_version":"1.0","source":{"id":"1712.01254","kind":"arxiv","version":1}},"canonical_sha256":"e0bebcd79c533184d552d5ea15d8f6beaa904610dee8477897854d046a8e3254","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e0bebcd79c533184d552d5ea15d8f6beaa904610dee8477897854d046a8e3254","first_computed_at":"2026-05-18T00:15:19.609863Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:15:19.609863Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LtEt35akWL+U7rEpCBvXTXFI4+qs3U4j0zm8CgylMFugrmbGE8fsWSXOl8Kqwn4NIWtZSceYm7z4KUjr2/sXDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:15:19.610369Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.01254","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9c3cb49db50c411c244d8b51245961d8954b7caf436c948d76eb8a13c85aceb6","sha256:015efd0e857ebc462cbe86e2d8c7c0e02e902c32ecd755be9dc38bfe492b8527"],"state_sha256":"699a72596a16af9ecb76cb2f2c67d70242a5ad1ca4cf6698e8f5a354e295a1d7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"l7mFZVvPaMud8x3BBqDq6y7YbTQ7vMN3r3hZWtcaJbJYR/fymIc5vm+MigrEIUzPc0jXKn+VdolzBZmzoPfFBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T04:46:13.367843Z","bundle_sha256":"85d6a793ea6494a6c86d776eaf3d5fb029f6cd054eff68f66fba2c07c62562cd"}}