{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:37KXRGJLFDPW7PCABEHV6WCWUY","short_pith_number":"pith:37KXRGJL","canonical_record":{"source":{"id":"1808.05446","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-08-16T12:39:09Z","cross_cats_sorted":[],"title_canon_sha256":"c1eeda3d6c5b043117d0893a2fdf82367f773b3081e13f9408778ad67642ec48","abstract_canon_sha256":"536ba1ea41d6d23054c7ed840f090dc1b78400ba13e43cc86ab9883dd2532e8a"},"schema_version":"1.0"},"canonical_sha256":"dfd578992b28df6fbc40090f5f5856a62b4b5b20587019aa23f143ab93d7a195","source":{"kind":"arxiv","id":"1808.05446","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.05446","created_at":"2026-05-18T00:07:56Z"},{"alias_kind":"arxiv_version","alias_value":"1808.05446v1","created_at":"2026-05-18T00:07:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.05446","created_at":"2026-05-18T00:07:56Z"},{"alias_kind":"pith_short_12","alias_value":"37KXRGJLFDPW","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"37KXRGJLFDPW7PCA","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"37KXRGJL","created_at":"2026-05-18T12:32:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:37KXRGJLFDPW7PCABEHV6WCWUY","target":"record","payload":{"canonical_record":{"source":{"id":"1808.05446","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-08-16T12:39:09Z","cross_cats_sorted":[],"title_canon_sha256":"c1eeda3d6c5b043117d0893a2fdf82367f773b3081e13f9408778ad67642ec48","abstract_canon_sha256":"536ba1ea41d6d23054c7ed840f090dc1b78400ba13e43cc86ab9883dd2532e8a"},"schema_version":"1.0"},"canonical_sha256":"dfd578992b28df6fbc40090f5f5856a62b4b5b20587019aa23f143ab93d7a195","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:07:56.963103Z","signature_b64":"fl4n/37o5RKalDKgTs52oTJLEPj0exa8EvRjaEk6fnprPLufBH/zz4TQU+glYGEJJYbgVNo4wVYtJY2CdLYzBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dfd578992b28df6fbc40090f5f5856a62b4b5b20587019aa23f143ab93d7a195","last_reissued_at":"2026-05-18T00:07:56.962397Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:07:56.962397Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1808.05446","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":"2026-05-18T00:07:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KAUxp1H5YkHRFBGYo8HcoTxRsrVDKs4egrXOasYnKzXRn0h8Dei1GJDgs7z0sEPAKb6FEW254t9QwC9SzjAeCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T12:54:55.726420Z"},"content_sha256":"41b0416fb0c53d1143b37e083b815fc69409382fff4e7a7dc8a83c941cd6d639","schema_version":"1.0","event_id":"sha256:41b0416fb0c53d1143b37e083b815fc69409382fff4e7a7dc8a83c941cd6d639"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:37KXRGJLFDPW7PCABEHV6WCWUY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Jsolated Stars of Low Metallicity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Efrat Sabach","submitted_at":"2018-08-16T12:39:09Z","abstract_excerpt":"We study the effects of a reduced mass-loss rate on the evolution of low metallicity Jsolated stars, following our earlier classification for angular momentum (J) isolated stars. By using the stellar evolution code MESA we study the evolution with different mass-loss rate efficiencies for stars with low metallicities of Z=0.001 and Z=0.004, and compare with the evolution with solar metallicity, Z=0.02. We further study the possibility for late asymptomatic giant branch (AGB)-planet interaction and its possible effects on the properties of the planetary nebula (PN). We find for all metallicitie"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.05446","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":"2026-05-18T00:07:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aR9ZW8zN9L61ol1X/lAbuy+rufy9o0ormLHnz4idqPbMgcj7FpUdOrd4EtYCOa1gzVEWLGJ0PV/zkKH8jvaHDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T12:54:55.726762Z"},"content_sha256":"a95d414196332c1eed3f231f3df330d7fbf90d6f2eb5ce2830b995d9809ec290","schema_version":"1.0","event_id":"sha256:a95d414196332c1eed3f231f3df330d7fbf90d6f2eb5ce2830b995d9809ec290"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/37KXRGJLFDPW7PCABEHV6WCWUY/bundle.json","state_url":"https://pith.science/pith/37KXRGJLFDPW7PCABEHV6WCWUY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/37KXRGJLFDPW7PCABEHV6WCWUY/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":"2026-06-28T12:54:55Z","links":{"resolver":"https://pith.science/pith/37KXRGJLFDPW7PCABEHV6WCWUY","bundle":"https://pith.science/pith/37KXRGJLFDPW7PCABEHV6WCWUY/bundle.json","state":"https://pith.science/pith/37KXRGJLFDPW7PCABEHV6WCWUY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/37KXRGJLFDPW7PCABEHV6WCWUY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:37KXRGJLFDPW7PCABEHV6WCWUY","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":"536ba1ea41d6d23054c7ed840f090dc1b78400ba13e43cc86ab9883dd2532e8a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-08-16T12:39:09Z","title_canon_sha256":"c1eeda3d6c5b043117d0893a2fdf82367f773b3081e13f9408778ad67642ec48"},"schema_version":"1.0","source":{"id":"1808.05446","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.05446","created_at":"2026-05-18T00:07:56Z"},{"alias_kind":"arxiv_version","alias_value":"1808.05446v1","created_at":"2026-05-18T00:07:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.05446","created_at":"2026-05-18T00:07:56Z"},{"alias_kind":"pith_short_12","alias_value":"37KXRGJLFDPW","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_16","alias_value":"37KXRGJLFDPW7PCA","created_at":"2026-05-18T12:32:02Z"},{"alias_kind":"pith_short_8","alias_value":"37KXRGJL","created_at":"2026-05-18T12:32:02Z"}],"graph_snapshots":[{"event_id":"sha256:a95d414196332c1eed3f231f3df330d7fbf90d6f2eb5ce2830b995d9809ec290","target":"graph","created_at":"2026-05-18T00:07:56Z","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 study the effects of a reduced mass-loss rate on the evolution of low metallicity Jsolated stars, following our earlier classification for angular momentum (J) isolated stars. By using the stellar evolution code MESA we study the evolution with different mass-loss rate efficiencies for stars with low metallicities of Z=0.001 and Z=0.004, and compare with the evolution with solar metallicity, Z=0.02. We further study the possibility for late asymptomatic giant branch (AGB)-planet interaction and its possible effects on the properties of the planetary nebula (PN). We find for all metallicitie","authors_text":"Efrat Sabach","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-08-16T12:39:09Z","title":"Jsolated Stars of Low Metallicity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.05446","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":"sha256:41b0416fb0c53d1143b37e083b815fc69409382fff4e7a7dc8a83c941cd6d639","target":"record","created_at":"2026-05-18T00:07:56Z","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":"536ba1ea41d6d23054c7ed840f090dc1b78400ba13e43cc86ab9883dd2532e8a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2018-08-16T12:39:09Z","title_canon_sha256":"c1eeda3d6c5b043117d0893a2fdf82367f773b3081e13f9408778ad67642ec48"},"schema_version":"1.0","source":{"id":"1808.05446","kind":"arxiv","version":1}},"canonical_sha256":"dfd578992b28df6fbc40090f5f5856a62b4b5b20587019aa23f143ab93d7a195","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dfd578992b28df6fbc40090f5f5856a62b4b5b20587019aa23f143ab93d7a195","first_computed_at":"2026-05-18T00:07:56.962397Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:07:56.962397Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fl4n/37o5RKalDKgTs52oTJLEPj0exa8EvRjaEk6fnprPLufBH/zz4TQU+glYGEJJYbgVNo4wVYtJY2CdLYzBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:07:56.963103Z","signed_message":"canonical_sha256_bytes"},"source_id":"1808.05446","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:41b0416fb0c53d1143b37e083b815fc69409382fff4e7a7dc8a83c941cd6d639","sha256:a95d414196332c1eed3f231f3df330d7fbf90d6f2eb5ce2830b995d9809ec290"],"state_sha256":"9ab0786ca2d9a9b47544bff9e8445a5057764e1ad1bd751ecb28bfc665eb045e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"429Yt58ZTueDgCzc1/dOll+3SXapoQacCmZzFwbA5FS1+lUN3L5majXpZ7dj534h5EK5Ex8ERRkFcC2DNVwNAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-28T12:54:55.728591Z","bundle_sha256":"5c408112d3aab948f7fd7f4381e4f83cfb5b38a84cb7850379cfcfdf860fb994"}}