{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:364O23AD2MOTXGZSMRSZT7DJ3Q","short_pith_number":"pith:364O23AD","canonical_record":{"source":{"id":"1609.05478","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-09-18T12:31:59Z","cross_cats_sorted":[],"title_canon_sha256":"db5afdbf043b539f07c06abeeaf4ec19d2b4bc0f0e43875132615e8b7c03d01b","abstract_canon_sha256":"846f408297101fa4fa682b7c48fbd624afd53b00e1d9e178c1a19693cb5ad8c7"},"schema_version":"1.0"},"canonical_sha256":"dfb8ed6c03d31d3b9b32646599fc69dc1abefa4f98cfe671bfd774f143bc29d5","source":{"kind":"arxiv","id":"1609.05478","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.05478","created_at":"2026-05-18T01:04:26Z"},{"alias_kind":"arxiv_version","alias_value":"1609.05478v1","created_at":"2026-05-18T01:04:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.05478","created_at":"2026-05-18T01:04:26Z"},{"alias_kind":"pith_short_12","alias_value":"364O23AD2MOT","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_16","alias_value":"364O23AD2MOTXGZS","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_8","alias_value":"364O23AD","created_at":"2026-05-18T12:29:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:364O23AD2MOTXGZSMRSZT7DJ3Q","target":"record","payload":{"canonical_record":{"source":{"id":"1609.05478","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-09-18T12:31:59Z","cross_cats_sorted":[],"title_canon_sha256":"db5afdbf043b539f07c06abeeaf4ec19d2b4bc0f0e43875132615e8b7c03d01b","abstract_canon_sha256":"846f408297101fa4fa682b7c48fbd624afd53b00e1d9e178c1a19693cb5ad8c7"},"schema_version":"1.0"},"canonical_sha256":"dfb8ed6c03d31d3b9b32646599fc69dc1abefa4f98cfe671bfd774f143bc29d5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:04:26.301188Z","signature_b64":"MtqpuHZsc2IzjUIBj7Iv0VP1nQOUU7tPg0Q/End9k2kILO0lrCPHyWdHOWMOpRAzwocO7qZ6Wos63JpO5VlkDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dfb8ed6c03d31d3b9b32646599fc69dc1abefa4f98cfe671bfd774f143bc29d5","last_reissued_at":"2026-05-18T01:04:26.300582Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:04:26.300582Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1609.05478","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":"2026-05-18T01:04:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"siCDcBaeHBYKN1C9W/jKh8GOkr5DZsF/3A49NvK6Im/8lxIhSE3JKbIDUCbdSzA3r0c1u/piaFUXCP/YBuVGDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T08:53:34.843429Z"},"content_sha256":"a32e971eb54e4cfce1cdd92db24735b728c0746e4701a27bce0023bef64d36f7","schema_version":"1.0","event_id":"sha256:a32e971eb54e4cfce1cdd92db24735b728c0746e4701a27bce0023bef64d36f7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:364O23AD2MOTXGZSMRSZT7DJ3Q","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"MILES extended: Stellar population synthesis models from the optical to the infrared","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Vazdekis, B. R\\\"ock, E. Ricciardelli, J. Falcon-Barroso, J.H. Knapen, R.F. Peletier","submitted_at":"2016-09-18T12:31:59Z","abstract_excerpt":"We present the first single-burst stellar population models which covers the optical and the infrared wavelength range between 3500 and 50000 Angstrom and which are exclusively based on empirical stellar spectra. To obtain these joint models, we combined the extended MILES models in the optical with our new infrared models that are based on the IRTF (Infrared Telescope Facility) library. The latter are available only for a limited range in terms of both age and metallicity. Our combined single-burst stellar population models were calculated for ages larger than 1 Gyr, for metallicities between"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.05478","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":"2026-05-18T01:04:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pXaKX8pN8LNeNops7tN8NQzgCf6SkQU6SeVYOWHPpca2e/0r9vlJgJe/0OYtq3GyLl+JcEfkgg9rbE4TJEIpDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T08:53:34.844125Z"},"content_sha256":"5de0a64200d6199b28b567340a69b569f56c3342112c86e371eb9fbcd7052327","schema_version":"1.0","event_id":"sha256:5de0a64200d6199b28b567340a69b569f56c3342112c86e371eb9fbcd7052327"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/364O23AD2MOTXGZSMRSZT7DJ3Q/bundle.json","state_url":"https://pith.science/pith/364O23AD2MOTXGZSMRSZT7DJ3Q/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/364O23AD2MOTXGZSMRSZT7DJ3Q/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":"2026-05-30T08:53:34Z","links":{"resolver":"https://pith.science/pith/364O23AD2MOTXGZSMRSZT7DJ3Q","bundle":"https://pith.science/pith/364O23AD2MOTXGZSMRSZT7DJ3Q/bundle.json","state":"https://pith.science/pith/364O23AD2MOTXGZSMRSZT7DJ3Q/state.json","well_known_bundle":"https://pith.science/.well-known/pith/364O23AD2MOTXGZSMRSZT7DJ3Q/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:364O23AD2MOTXGZSMRSZT7DJ3Q","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":"846f408297101fa4fa682b7c48fbd624afd53b00e1d9e178c1a19693cb5ad8c7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-09-18T12:31:59Z","title_canon_sha256":"db5afdbf043b539f07c06abeeaf4ec19d2b4bc0f0e43875132615e8b7c03d01b"},"schema_version":"1.0","source":{"id":"1609.05478","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.05478","created_at":"2026-05-18T01:04:26Z"},{"alias_kind":"arxiv_version","alias_value":"1609.05478v1","created_at":"2026-05-18T01:04:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.05478","created_at":"2026-05-18T01:04:26Z"},{"alias_kind":"pith_short_12","alias_value":"364O23AD2MOT","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_16","alias_value":"364O23AD2MOTXGZS","created_at":"2026-05-18T12:29:55Z"},{"alias_kind":"pith_short_8","alias_value":"364O23AD","created_at":"2026-05-18T12:29:55Z"}],"graph_snapshots":[{"event_id":"sha256:5de0a64200d6199b28b567340a69b569f56c3342112c86e371eb9fbcd7052327","target":"graph","created_at":"2026-05-18T01:04:26Z","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":"We present the first single-burst stellar population models which covers the optical and the infrared wavelength range between 3500 and 50000 Angstrom and which are exclusively based on empirical stellar spectra. To obtain these joint models, we combined the extended MILES models in the optical with our new infrared models that are based on the IRTF (Infrared Telescope Facility) library. The latter are available only for a limited range in terms of both age and metallicity. Our combined single-burst stellar population models were calculated for ages larger than 1 Gyr, for metallicities between","authors_text":"A. Vazdekis, B. R\\\"ock, E. Ricciardelli, J. Falcon-Barroso, J.H. Knapen, R.F. Peletier","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-09-18T12:31:59Z","title":"MILES extended: Stellar population synthesis models from the optical to the infrared"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.05478","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:a32e971eb54e4cfce1cdd92db24735b728c0746e4701a27bce0023bef64d36f7","target":"record","created_at":"2026-05-18T01:04:26Z","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":"846f408297101fa4fa682b7c48fbd624afd53b00e1d9e178c1a19693cb5ad8c7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-09-18T12:31:59Z","title_canon_sha256":"db5afdbf043b539f07c06abeeaf4ec19d2b4bc0f0e43875132615e8b7c03d01b"},"schema_version":"1.0","source":{"id":"1609.05478","kind":"arxiv","version":1}},"canonical_sha256":"dfb8ed6c03d31d3b9b32646599fc69dc1abefa4f98cfe671bfd774f143bc29d5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dfb8ed6c03d31d3b9b32646599fc69dc1abefa4f98cfe671bfd774f143bc29d5","first_computed_at":"2026-05-18T01:04:26.300582Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:04:26.300582Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"MtqpuHZsc2IzjUIBj7Iv0VP1nQOUU7tPg0Q/End9k2kILO0lrCPHyWdHOWMOpRAzwocO7qZ6Wos63JpO5VlkDw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:04:26.301188Z","signed_message":"canonical_sha256_bytes"},"source_id":"1609.05478","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a32e971eb54e4cfce1cdd92db24735b728c0746e4701a27bce0023bef64d36f7","sha256:5de0a64200d6199b28b567340a69b569f56c3342112c86e371eb9fbcd7052327"],"state_sha256":"1c6d841e83b13c73178d512936ab0cb05bac04b98b2a31b9c50f3c4c2cb479b2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jXe3/RhkHBMDnOcocvB0r+bHjTnC4WDUJaxtoTgTcFBxQ3+9F7M/vbfpmO2zlf1EeuR6XQnpaRiT1QlS/MTrBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T08:53:34.848224Z","bundle_sha256":"d4c760f86c0d6cb9d32d99be98599a586457664a334ab5a16358f6472ed0f60d"}}