{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:XI6V7G67T4XOBUPISMPDPCFREE","short_pith_number":"pith:XI6V7G67","canonical_record":{"source":{"id":"1711.05130","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-11-14T14:52:21Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"31a9b1976aa143673ced104e9151eb1850da210ec8cf4f3e3881e09847dc6119","abstract_canon_sha256":"8a89beeccb230599d5af15a8823a51def9a3d9406db242a6d6d1a4bd8128a017"},"schema_version":"1.0"},"canonical_sha256":"ba3d5f9bdf9f2ee0d1e8931e3788b121008bf33718aca8caf9551aaa97d861ad","source":{"kind":"arxiv","id":"1711.05130","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.05130","created_at":"2026-05-17T23:59:17Z"},{"alias_kind":"arxiv_version","alias_value":"1711.05130v4","created_at":"2026-05-17T23:59:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.05130","created_at":"2026-05-17T23:59:17Z"},{"alias_kind":"pith_short_12","alias_value":"XI6V7G67T4XO","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_16","alias_value":"XI6V7G67T4XOBUPI","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_8","alias_value":"XI6V7G67","created_at":"2026-05-18T12:31:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:XI6V7G67T4XOBUPISMPDPCFREE","target":"record","payload":{"canonical_record":{"source":{"id":"1711.05130","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-11-14T14:52:21Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"31a9b1976aa143673ced104e9151eb1850da210ec8cf4f3e3881e09847dc6119","abstract_canon_sha256":"8a89beeccb230599d5af15a8823a51def9a3d9406db242a6d6d1a4bd8128a017"},"schema_version":"1.0"},"canonical_sha256":"ba3d5f9bdf9f2ee0d1e8931e3788b121008bf33718aca8caf9551aaa97d861ad","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:59:17.871018Z","signature_b64":"Utr/wfrI1gdzjnjpCoPSo8ihUKw3sPbEQ5S2Kv95xk8H9B27Z+nMtkwOnBjyJ703k/NZLGbS25szSVJxbJzFDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ba3d5f9bdf9f2ee0d1e8931e3788b121008bf33718aca8caf9551aaa97d861ad","last_reissued_at":"2026-05-17T23:59:17.870437Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:59:17.870437Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1711.05130","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:59:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jM92zK8EZpRx4x/CIQBpEqgxvb5ZzADhIZ7/kCtGS5hPbdr42WHER0yQDLNSUE/057FSlZzJdHnKVtCpqFmHBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T19:11:00.213847Z"},"content_sha256":"1222c3598f11cb0cdb4677c5e6ff2ff952262fc780f319c82c96d0f33d377bc5","schema_version":"1.0","event_id":"sha256:1222c3598f11cb0cdb4677c5e6ff2ff952262fc780f319c82c96d0f33d377bc5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:XI6V7G67T4XOBUPISMPDPCFREE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the faint-end of the galaxy luminosity function in the Epoch of Reionization: updated constraints from the HST Frontier Fields","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"A. Ferrara, A. Fontana, A. Grazian, A. Mortlock, B. Yue, D. Paris, E. M\\'armol-Queralto, E. Merlin, M. Castellano, M. Di Criscienzo, M. J. Micha{\\l}owski, P. Santini, R. Amor\\'in, S. Parsa, S. Pilo","submitted_at":"2017-11-14T14:52:21Z","abstract_excerpt":"Ultra-faint galaxies are hosted by small dark matter halos with shallow gravitational potential wells, hence their star formation activity is more sensitive to feedback effects. The shape of the faint-end of the high-$z$ galaxy luminosity function (LF) contains important information on star formation and its interaction with the reionization process during the Epoch of Reionization (EoR). High-$z$ galaxies with $M_{\\rm UV}\\gtrsim-17$ have only recently become accessible thanks to the Frontier Fields (FFs) survey combining deep {\\it HST} imaging and the gravitational lensing effect. In this pap"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.05130","kind":"arxiv","version":4},"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":"2026-05-17T23:59:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"v+JSXEQBodp6N8291McXtgw86E1IK8VM1pdocyXGnyfkwd7F4xGbGrOBaSZSGyt+G91TDGg3SSzC+dxyXoX0BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T19:11:00.214530Z"},"content_sha256":"f99f8b2f335373c6b882a8346fee0b9a01450816c17a5717444cb5dda46689d9","schema_version":"1.0","event_id":"sha256:f99f8b2f335373c6b882a8346fee0b9a01450816c17a5717444cb5dda46689d9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XI6V7G67T4XOBUPISMPDPCFREE/bundle.json","state_url":"https://pith.science/pith/XI6V7G67T4XOBUPISMPDPCFREE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XI6V7G67T4XOBUPISMPDPCFREE/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":"2026-05-25T19:11:00Z","links":{"resolver":"https://pith.science/pith/XI6V7G67T4XOBUPISMPDPCFREE","bundle":"https://pith.science/pith/XI6V7G67T4XOBUPISMPDPCFREE/bundle.json","state":"https://pith.science/pith/XI6V7G67T4XOBUPISMPDPCFREE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XI6V7G67T4XOBUPISMPDPCFREE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:XI6V7G67T4XOBUPISMPDPCFREE","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":"8a89beeccb230599d5af15a8823a51def9a3d9406db242a6d6d1a4bd8128a017","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-11-14T14:52:21Z","title_canon_sha256":"31a9b1976aa143673ced104e9151eb1850da210ec8cf4f3e3881e09847dc6119"},"schema_version":"1.0","source":{"id":"1711.05130","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1711.05130","created_at":"2026-05-17T23:59:17Z"},{"alias_kind":"arxiv_version","alias_value":"1711.05130v4","created_at":"2026-05-17T23:59:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1711.05130","created_at":"2026-05-17T23:59:17Z"},{"alias_kind":"pith_short_12","alias_value":"XI6V7G67T4XO","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_16","alias_value":"XI6V7G67T4XOBUPI","created_at":"2026-05-18T12:31:53Z"},{"alias_kind":"pith_short_8","alias_value":"XI6V7G67","created_at":"2026-05-18T12:31:53Z"}],"graph_snapshots":[{"event_id":"sha256:f99f8b2f335373c6b882a8346fee0b9a01450816c17a5717444cb5dda46689d9","target":"graph","created_at":"2026-05-17T23:59:17Z","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":"Ultra-faint galaxies are hosted by small dark matter halos with shallow gravitational potential wells, hence their star formation activity is more sensitive to feedback effects. The shape of the faint-end of the high-$z$ galaxy luminosity function (LF) contains important information on star formation and its interaction with the reionization process during the Epoch of Reionization (EoR). High-$z$ galaxies with $M_{\\rm UV}\\gtrsim-17$ have only recently become accessible thanks to the Frontier Fields (FFs) survey combining deep {\\it HST} imaging and the gravitational lensing effect. In this pap","authors_text":"A. Ferrara, A. Fontana, A. Grazian, A. Mortlock, B. Yue, D. Paris, E. M\\'armol-Queralto, E. Merlin, M. Castellano, M. Di Criscienzo, M. J. Micha{\\l}owski, P. Santini, R. Amor\\'in, S. Parsa, S. Pilo","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-11-14T14:52:21Z","title":"On the faint-end of the galaxy luminosity function in the Epoch of Reionization: updated constraints from the HST Frontier Fields"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1711.05130","kind":"arxiv","version":4},"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":"sha256:1222c3598f11cb0cdb4677c5e6ff2ff952262fc780f319c82c96d0f33d377bc5","target":"record","created_at":"2026-05-17T23:59:17Z","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":"8a89beeccb230599d5af15a8823a51def9a3d9406db242a6d6d1a4bd8128a017","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-11-14T14:52:21Z","title_canon_sha256":"31a9b1976aa143673ced104e9151eb1850da210ec8cf4f3e3881e09847dc6119"},"schema_version":"1.0","source":{"id":"1711.05130","kind":"arxiv","version":4}},"canonical_sha256":"ba3d5f9bdf9f2ee0d1e8931e3788b121008bf33718aca8caf9551aaa97d861ad","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ba3d5f9bdf9f2ee0d1e8931e3788b121008bf33718aca8caf9551aaa97d861ad","first_computed_at":"2026-05-17T23:59:17.870437Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:59:17.870437Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Utr/wfrI1gdzjnjpCoPSo8ihUKw3sPbEQ5S2Kv95xk8H9B27Z+nMtkwOnBjyJ703k/NZLGbS25szSVJxbJzFDA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:59:17.871018Z","signed_message":"canonical_sha256_bytes"},"source_id":"1711.05130","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1222c3598f11cb0cdb4677c5e6ff2ff952262fc780f319c82c96d0f33d377bc5","sha256:f99f8b2f335373c6b882a8346fee0b9a01450816c17a5717444cb5dda46689d9"],"state_sha256":"c9f1271dc25d833af0048ee1e3e411abf622f50a37cb6301e2e56979ffe3c4e7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0EZ1dLYzGPgu1JudTOpkhTt7RL5IRWeT+t4dRQB6VSG+bM4wGbNb61sBu3c2ud9MQe6DiQhNuKgH4fF93l2UDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T19:11:00.218284Z","bundle_sha256":"7d510c96793828c361424936bfba0900ac5552607050d38705447b736483d066"}}