{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:NN6HMRZ7O4O6AVJCTLT74GJT6G","short_pith_number":"pith:NN6HMRZ7","canonical_record":{"source":{"id":"1802.03025","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-02-08T19:06:45Z","cross_cats_sorted":["astro-ph.CO","astro-ph.GA","astro-ph.HE"],"title_canon_sha256":"1354f42f02a69d662a4e48fa5aa852ff12ee124d4d5e2010376bb1b6890410ff","abstract_canon_sha256":"4641f9775d986953b73bd5800da4ffceead0fb51e3e445b0f29517537a5f8d12"},"schema_version":"1.0"},"canonical_sha256":"6b7c76473f771de055229ae7fe1933f190273350c732a28683e7e9264c557875","source":{"kind":"arxiv","id":"1802.03025","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.03025","created_at":"2026-05-18T00:13:27Z"},{"alias_kind":"arxiv_version","alias_value":"1802.03025v2","created_at":"2026-05-18T00:13:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.03025","created_at":"2026-05-18T00:13:27Z"},{"alias_kind":"pith_short_12","alias_value":"NN6HMRZ7O4O6","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"NN6HMRZ7O4O6AVJC","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"NN6HMRZ7","created_at":"2026-05-18T12:32:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:NN6HMRZ7O4O6AVJCTLT74GJT6G","target":"record","payload":{"canonical_record":{"source":{"id":"1802.03025","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-02-08T19:06:45Z","cross_cats_sorted":["astro-ph.CO","astro-ph.GA","astro-ph.HE"],"title_canon_sha256":"1354f42f02a69d662a4e48fa5aa852ff12ee124d4d5e2010376bb1b6890410ff","abstract_canon_sha256":"4641f9775d986953b73bd5800da4ffceead0fb51e3e445b0f29517537a5f8d12"},"schema_version":"1.0"},"canonical_sha256":"6b7c76473f771de055229ae7fe1933f190273350c732a28683e7e9264c557875","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:13:27.984010Z","signature_b64":"kneVJNZKJHhx71q+k3hk+XcdmBBe/URqgam5HYJQ5r0DB8MpJJn0k9j4UowuDZA+KIGPbCBih13W4QdYwFPjBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6b7c76473f771de055229ae7fe1933f190273350c732a28683e7e9264c557875","last_reissued_at":"2026-05-18T00:13:27.983332Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:13:27.983332Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1802.03025","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:13:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ghJLNHKSyvUcy4YM1EIigfy6bx6qDqHJgAbQOGuV7vVsLC6JPVlEvc7cM2W+JdhVWsKRx/GgRtMWG87WkfVwBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T10:30:26.358216Z"},"content_sha256":"7634341b6f33548f3642db6968b1f89410ad52254503df308fa1bb1823250bb1","schema_version":"1.0","event_id":"sha256:7634341b6f33548f3642db6968b1f89410ad52254503df308fa1bb1823250bb1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:NN6HMRZ7O4O6AVJCTLT74GJT6G","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Robust Constraints and Novel Gamma-Ray Signatures of Dark Matter That Interacts Strongly With Nucleons","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.GA","astro-ph.HE"],"primary_cat":"hep-ph","authors_text":"Dan Hooper, Samuel D. McDermott","submitted_at":"2018-02-08T19:06:45Z","abstract_excerpt":"Due to shielding, direct detection experiments are in some cases insensitive to dark matter candidates with very large scattering cross sections with nucleons. In this paper, we revisit this class of models, and derive a simple analytic criterion for conservative but robust direct detection limits. While large spin-independent cross sections seem to be ruled out, we identify potentially viable parameter space for dark matter with a spin-dependent cross section with nucleons in the range of $10^{-27} {\\rm cm}^2 < \\sigma_{{\\rm DM}-p} < 10^{-24} \\, {\\rm cm}^{2}$. With these parameters, cosmic-ray"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.03025","kind":"arxiv","version":2},"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":"2026-05-18T00:13:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MEBZuKWX1l8hpRTGQaoPgZmdSZ7X3FMWupSQ9vNyVu/Ngaw/s8J/gpKQIxa1QLEu2t0wCx9jytteQfaglFt7Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T10:30:26.358668Z"},"content_sha256":"9fbbaccc2a337c20659bdfe4b60bd9bb7106da44010b7c83c619344d5fb82f88","schema_version":"1.0","event_id":"sha256:9fbbaccc2a337c20659bdfe4b60bd9bb7106da44010b7c83c619344d5fb82f88"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NN6HMRZ7O4O6AVJCTLT74GJT6G/bundle.json","state_url":"https://pith.science/pith/NN6HMRZ7O4O6AVJCTLT74GJT6G/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NN6HMRZ7O4O6AVJCTLT74GJT6G/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":"2026-05-27T10:30:26Z","links":{"resolver":"https://pith.science/pith/NN6HMRZ7O4O6AVJCTLT74GJT6G","bundle":"https://pith.science/pith/NN6HMRZ7O4O6AVJCTLT74GJT6G/bundle.json","state":"https://pith.science/pith/NN6HMRZ7O4O6AVJCTLT74GJT6G/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NN6HMRZ7O4O6AVJCTLT74GJT6G/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:NN6HMRZ7O4O6AVJCTLT74GJT6G","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":"4641f9775d986953b73bd5800da4ffceead0fb51e3e445b0f29517537a5f8d12","cross_cats_sorted":["astro-ph.CO","astro-ph.GA","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-02-08T19:06:45Z","title_canon_sha256":"1354f42f02a69d662a4e48fa5aa852ff12ee124d4d5e2010376bb1b6890410ff"},"schema_version":"1.0","source":{"id":"1802.03025","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1802.03025","created_at":"2026-05-18T00:13:27Z"},{"alias_kind":"arxiv_version","alias_value":"1802.03025v2","created_at":"2026-05-18T00:13:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1802.03025","created_at":"2026-05-18T00:13:27Z"},{"alias_kind":"pith_short_12","alias_value":"NN6HMRZ7O4O6","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_16","alias_value":"NN6HMRZ7O4O6AVJC","created_at":"2026-05-18T12:32:40Z"},{"alias_kind":"pith_short_8","alias_value":"NN6HMRZ7","created_at":"2026-05-18T12:32:40Z"}],"graph_snapshots":[{"event_id":"sha256:9fbbaccc2a337c20659bdfe4b60bd9bb7106da44010b7c83c619344d5fb82f88","target":"graph","created_at":"2026-05-18T00:13:27Z","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":"Due to shielding, direct detection experiments are in some cases insensitive to dark matter candidates with very large scattering cross sections with nucleons. In this paper, we revisit this class of models, and derive a simple analytic criterion for conservative but robust direct detection limits. While large spin-independent cross sections seem to be ruled out, we identify potentially viable parameter space for dark matter with a spin-dependent cross section with nucleons in the range of $10^{-27} {\\rm cm}^2 < \\sigma_{{\\rm DM}-p} < 10^{-24} \\, {\\rm cm}^{2}$. With these parameters, cosmic-ray","authors_text":"Dan Hooper, Samuel D. McDermott","cross_cats":["astro-ph.CO","astro-ph.GA","astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-02-08T19:06:45Z","title":"Robust Constraints and Novel Gamma-Ray Signatures of Dark Matter That Interacts Strongly With Nucleons"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1802.03025","kind":"arxiv","version":2},"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":"sha256:7634341b6f33548f3642db6968b1f89410ad52254503df308fa1bb1823250bb1","target":"record","created_at":"2026-05-18T00:13:27Z","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":"4641f9775d986953b73bd5800da4ffceead0fb51e3e445b0f29517537a5f8d12","cross_cats_sorted":["astro-ph.CO","astro-ph.GA","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2018-02-08T19:06:45Z","title_canon_sha256":"1354f42f02a69d662a4e48fa5aa852ff12ee124d4d5e2010376bb1b6890410ff"},"schema_version":"1.0","source":{"id":"1802.03025","kind":"arxiv","version":2}},"canonical_sha256":"6b7c76473f771de055229ae7fe1933f190273350c732a28683e7e9264c557875","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6b7c76473f771de055229ae7fe1933f190273350c732a28683e7e9264c557875","first_computed_at":"2026-05-18T00:13:27.983332Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:13:27.983332Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"kneVJNZKJHhx71q+k3hk+XcdmBBe/URqgam5HYJQ5r0DB8MpJJn0k9j4UowuDZA+KIGPbCBih13W4QdYwFPjBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:13:27.984010Z","signed_message":"canonical_sha256_bytes"},"source_id":"1802.03025","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7634341b6f33548f3642db6968b1f89410ad52254503df308fa1bb1823250bb1","sha256:9fbbaccc2a337c20659bdfe4b60bd9bb7106da44010b7c83c619344d5fb82f88"],"state_sha256":"56aa4d0f7600f85304d51ee4659dcabe52770bf6d1a12581123cecbff9f68e31"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Zw6uQckMDznEh9jvksrudT+6RH48fL/loR856YKnBrbcjxDprxMNZaaCFXcGRWR2j8ZUGmBxqJ+rMSW1Kj2jAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T10:30:26.361844Z","bundle_sha256":"fc470dd63194ebe8332202da9013148bab413b502207865b221199bbd3efcd55"}}