{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:HTKTXVUVHEZ2OKQ6CMAIJL7A5X","short_pith_number":"pith:HTKTXVUV","canonical_record":{"source":{"id":"1610.07558","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-24T19:18:59Z","cross_cats_sorted":[],"title_canon_sha256":"72e3fc45fa1c45d5a42dc187492a1f66dcedfbef93d84feedde02380a1a604b2","abstract_canon_sha256":"c392ae8a5157391c2db466dee0518ff302faed6e6910dadbd439e28a9c6e345c"},"schema_version":"1.0"},"canonical_sha256":"3cd53bd6953933a72a1e130084afe0edf473122011a4e2d7b44ebec0c9a3ff15","source":{"kind":"arxiv","id":"1610.07558","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.07558","created_at":"2026-05-18T00:48:47Z"},{"alias_kind":"arxiv_version","alias_value":"1610.07558v2","created_at":"2026-05-18T00:48:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.07558","created_at":"2026-05-18T00:48:47Z"},{"alias_kind":"pith_short_12","alias_value":"HTKTXVUVHEZ2","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"HTKTXVUVHEZ2OKQ6","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"HTKTXVUV","created_at":"2026-05-18T12:30:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:HTKTXVUVHEZ2OKQ6CMAIJL7A5X","target":"record","payload":{"canonical_record":{"source":{"id":"1610.07558","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-24T19:18:59Z","cross_cats_sorted":[],"title_canon_sha256":"72e3fc45fa1c45d5a42dc187492a1f66dcedfbef93d84feedde02380a1a604b2","abstract_canon_sha256":"c392ae8a5157391c2db466dee0518ff302faed6e6910dadbd439e28a9c6e345c"},"schema_version":"1.0"},"canonical_sha256":"3cd53bd6953933a72a1e130084afe0edf473122011a4e2d7b44ebec0c9a3ff15","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:48:47.007701Z","signature_b64":"mwUcI8C68poMEAhJ++Xj+gmYfJH1UmXq+70iILIVwqOYjREQxYmnReFgf1y2f+d3SHVCanLnR1OwyFBu9PQzAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3cd53bd6953933a72a1e130084afe0edf473122011a4e2d7b44ebec0c9a3ff15","last_reissued_at":"2026-05-18T00:48:47.006694Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:48:47.006694Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1610.07558","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":"2026-05-18T00:48:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PM4GDHHQjpt7hAIgJPtUaNJpYkxVciTC7aE19YXBWDzSIRSWlX+kA+h7ui4pKNTYhwLn7ZEaafFItedfQNhMBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T12:59:17.206915Z"},"content_sha256":"51733c9b336453766eeb313c23320c05afe6639eb5e2a5f0bd79b33c4e5565bc","schema_version":"1.0","event_id":"sha256:51733c9b336453766eeb313c23320c05afe6639eb5e2a5f0bd79b33c4e5565bc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:HTKTXVUVHEZ2OKQ6CMAIJL7A5X","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Grism Lens-Amplified Survey from Space (GLASS) X. Sub-kpc resolution gas-phase metallicity maps at cosmic noon behind the Hubble Frontier Fields cluster MACS1149.6+2223","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Adriano Fontana, Alaina L. Henry, Amata Mercurio, Benedetta Vulcani, Charlotte A. Mason, Claudio Grillo, Gabriel B. Brammer, Kasper B. Schmidt, Keren Sharon, Kuang-Han Huang, Louis E. Abramson, Matthew A. Malkan, Michele Trenti, Patrick L. Kelly, Piero Rosati, Takahiro Morishita, Tommaso Treu, Tucker A. Jones, Wouter Karman, Xin Wang","submitted_at":"2016-10-24T19:18:59Z","abstract_excerpt":"(Abridged) We combine deep HST grism spectroscopy with a new Bayesian method to derive maps of gas-phase metallicity, nebular dust extinction, and star-formation rate for 10 star-forming galaxies at high redshift ($1.2<z<2.3$). Exploiting lensing magnification by the foreground cluster MACS1149.6+2223, we reach sub-kpc spatial resolution and push the stellar mass limit associated with such high-z spatially resolved measurements below $10^8M_\\odot$ for the first time. Our maps exhibit diverse morphologies, indicative of various effects such as efficient radial mixing from tidal torques, rapid a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.07558","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":"2026-05-18T00:48:47Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"08HnYAHwZWB2TiIIb0fq6XIgTsi7+SiybbDeZETsWCabKPvzg2YVfmO7JX01holsv0VGA2adtpZvX11fHlFDBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T12:59:17.207527Z"},"content_sha256":"d65e9357d65430c4fb2672f17904677d780fc15a3f1ab80944f2bd06d4a7843d","schema_version":"1.0","event_id":"sha256:d65e9357d65430c4fb2672f17904677d780fc15a3f1ab80944f2bd06d4a7843d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HTKTXVUVHEZ2OKQ6CMAIJL7A5X/bundle.json","state_url":"https://pith.science/pith/HTKTXVUVHEZ2OKQ6CMAIJL7A5X/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HTKTXVUVHEZ2OKQ6CMAIJL7A5X/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":"2026-05-24T12:59:17Z","links":{"resolver":"https://pith.science/pith/HTKTXVUVHEZ2OKQ6CMAIJL7A5X","bundle":"https://pith.science/pith/HTKTXVUVHEZ2OKQ6CMAIJL7A5X/bundle.json","state":"https://pith.science/pith/HTKTXVUVHEZ2OKQ6CMAIJL7A5X/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HTKTXVUVHEZ2OKQ6CMAIJL7A5X/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:HTKTXVUVHEZ2OKQ6CMAIJL7A5X","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":"c392ae8a5157391c2db466dee0518ff302faed6e6910dadbd439e28a9c6e345c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-24T19:18:59Z","title_canon_sha256":"72e3fc45fa1c45d5a42dc187492a1f66dcedfbef93d84feedde02380a1a604b2"},"schema_version":"1.0","source":{"id":"1610.07558","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1610.07558","created_at":"2026-05-18T00:48:47Z"},{"alias_kind":"arxiv_version","alias_value":"1610.07558v2","created_at":"2026-05-18T00:48:47Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.07558","created_at":"2026-05-18T00:48:47Z"},{"alias_kind":"pith_short_12","alias_value":"HTKTXVUVHEZ2","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"HTKTXVUVHEZ2OKQ6","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"HTKTXVUV","created_at":"2026-05-18T12:30:22Z"}],"graph_snapshots":[{"event_id":"sha256:d65e9357d65430c4fb2672f17904677d780fc15a3f1ab80944f2bd06d4a7843d","target":"graph","created_at":"2026-05-18T00:48:47Z","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":"(Abridged) We combine deep HST grism spectroscopy with a new Bayesian method to derive maps of gas-phase metallicity, nebular dust extinction, and star-formation rate for 10 star-forming galaxies at high redshift ($1.2<z<2.3$). Exploiting lensing magnification by the foreground cluster MACS1149.6+2223, we reach sub-kpc spatial resolution and push the stellar mass limit associated with such high-z spatially resolved measurements below $10^8M_\\odot$ for the first time. Our maps exhibit diverse morphologies, indicative of various effects such as efficient radial mixing from tidal torques, rapid a","authors_text":"Adriano Fontana, Alaina L. Henry, Amata Mercurio, Benedetta Vulcani, Charlotte A. Mason, Claudio Grillo, Gabriel B. Brammer, Kasper B. Schmidt, Keren Sharon, Kuang-Han Huang, Louis E. Abramson, Matthew A. Malkan, Michele Trenti, Patrick L. Kelly, Piero Rosati, Takahiro Morishita, Tommaso Treu, Tucker A. Jones, Wouter Karman, Xin Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-24T19:18:59Z","title":"The Grism Lens-Amplified Survey from Space (GLASS) X. Sub-kpc resolution gas-phase metallicity maps at cosmic noon behind the Hubble Frontier Fields cluster MACS1149.6+2223"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.07558","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":"sha256:51733c9b336453766eeb313c23320c05afe6639eb5e2a5f0bd79b33c4e5565bc","target":"record","created_at":"2026-05-18T00:48:47Z","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":"c392ae8a5157391c2db466dee0518ff302faed6e6910dadbd439e28a9c6e345c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-10-24T19:18:59Z","title_canon_sha256":"72e3fc45fa1c45d5a42dc187492a1f66dcedfbef93d84feedde02380a1a604b2"},"schema_version":"1.0","source":{"id":"1610.07558","kind":"arxiv","version":2}},"canonical_sha256":"3cd53bd6953933a72a1e130084afe0edf473122011a4e2d7b44ebec0c9a3ff15","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3cd53bd6953933a72a1e130084afe0edf473122011a4e2d7b44ebec0c9a3ff15","first_computed_at":"2026-05-18T00:48:47.006694Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:48:47.006694Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"mwUcI8C68poMEAhJ++Xj+gmYfJH1UmXq+70iILIVwqOYjREQxYmnReFgf1y2f+d3SHVCanLnR1OwyFBu9PQzAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:48:47.007701Z","signed_message":"canonical_sha256_bytes"},"source_id":"1610.07558","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:51733c9b336453766eeb313c23320c05afe6639eb5e2a5f0bd79b33c4e5565bc","sha256:d65e9357d65430c4fb2672f17904677d780fc15a3f1ab80944f2bd06d4a7843d"],"state_sha256":"a3d0d0418a282f4c73bc094bbb792e1a85a5edc8200a44e7f7d22c654d03d222"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YBWRPKlGemr7j3e8UQLYoDnxoQQBi1p3l1R1T5MSiDydaeQJMSZLt8Izfnq8ZPqKRHHqXLlNEuuWvT3Yq4s0Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T12:59:17.210914Z","bundle_sha256":"2a6e8f703ad81c98f6e71d1e119fc83487143e1ea2a09c14d0988e516341d720"}}