{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:TLKJ4DIHI2GPUDCSETDRQCTWP3","short_pith_number":"pith:TLKJ4DIH","canonical_record":{"source":{"id":"1808.10454","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-08-30T18:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"66960d79dde3ad810fc85f902035a665a44a49fd87fc44a1f442df78ed214dee","abstract_canon_sha256":"5f1d880a7e943e9bce8e94e9fac8644ace48e1bcd760ef977ac9f231be13f637"},"schema_version":"1.0"},"canonical_sha256":"9ad49e0d07468cfa0c5224c7180a767ec72d4a22c56f2e3f9fb738775f39f1fc","source":{"kind":"arxiv","id":"1808.10454","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.10454","created_at":"2026-05-17T23:42:43Z"},{"alias_kind":"arxiv_version","alias_value":"1808.10454v3","created_at":"2026-05-17T23:42:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.10454","created_at":"2026-05-17T23:42:43Z"},{"alias_kind":"pith_short_12","alias_value":"TLKJ4DIHI2GP","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_16","alias_value":"TLKJ4DIHI2GPUDCS","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_8","alias_value":"TLKJ4DIH","created_at":"2026-05-18T12:32:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:TLKJ4DIHI2GPUDCSETDRQCTWP3","target":"record","payload":{"canonical_record":{"source":{"id":"1808.10454","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-08-30T18:00:02Z","cross_cats_sorted":[],"title_canon_sha256":"66960d79dde3ad810fc85f902035a665a44a49fd87fc44a1f442df78ed214dee","abstract_canon_sha256":"5f1d880a7e943e9bce8e94e9fac8644ace48e1bcd760ef977ac9f231be13f637"},"schema_version":"1.0"},"canonical_sha256":"9ad49e0d07468cfa0c5224c7180a767ec72d4a22c56f2e3f9fb738775f39f1fc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:42:43.065752Z","signature_b64":"SNL+mwwTGZV0wzQUSDYJyixnLTC1xDTENLsfBeh9Mrf+HJQltytc9eYB+rsTmYLwJWXVdF7np99sAkiaxk12Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9ad49e0d07468cfa0c5224c7180a767ec72d4a22c56f2e3f9fb738775f39f1fc","last_reissued_at":"2026-05-17T23:42:43.065212Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:42:43.065212Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1808.10454","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:42:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"55gDpxREUubQrfcoTLEsxJ8zTIICu149ixBrLGMzmn9o8XrzhSZ9no85P0qfe5bedAp0eC/IznR2itz1tjNuCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T09:28:14.104698Z"},"content_sha256":"1d61ff42970cc127ecbb8ea00a715d46b6434792b538676186c3f166002db404","schema_version":"1.0","event_id":"sha256:1d61ff42970cc127ecbb8ea00a715d46b6434792b538676186c3f166002db404"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:TLKJ4DIHI2GPUDCSETDRQCTWP3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Outer Stellar Halos of Galaxies: how Radial Merger Mass Deposition, Shells and Streams depend on Infall-Orbit Configurations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Andreas Burkert, Benjamin P. Moster, Geray S. Karademir, Jielai Zhang, Klaus Dolag, Rhea-Silvia Remus, Tadziu L. Hoffmann, Ulrich Steinwandel","submitted_at":"2018-08-30T18:00:02Z","abstract_excerpt":"Galaxy mergers are a fundamental part of galaxy evolution. To study the resulting mass distributions of different kinds of galaxy mergers, we present a simulation suite of 36 high-resolution isolated merger simulations, exploring a wide range of parameter space in terms of mass ratios (mu = 1:5, 1:10, 1:50, 1:100) and orbital parameters. We find that mini mergers deposit a higher fraction of their mass in the outer halo compared to minor mergers, while their contribution to the central mass distribution is highly dependent on the orbital impact parameter: for larger pericentric distances we fi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.10454","kind":"arxiv","version":3},"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":"2026-05-17T23:42:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tW/fxZY7LEiJ3UgWMiqBd2Ni6Cod821171G4WjlhbEBaD4thrjMo7uoeS0qFR33TDDFR+Cl+tQ8Rwf3GUw5zDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T09:28:14.105404Z"},"content_sha256":"c9a2804e32ae28e279c64ff84f2cb5760a496c7ab6f0e265ada3826ffb90cd8e","schema_version":"1.0","event_id":"sha256:c9a2804e32ae28e279c64ff84f2cb5760a496c7ab6f0e265ada3826ffb90cd8e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TLKJ4DIHI2GPUDCSETDRQCTWP3/bundle.json","state_url":"https://pith.science/pith/TLKJ4DIHI2GPUDCSETDRQCTWP3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TLKJ4DIHI2GPUDCSETDRQCTWP3/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":"2026-05-19T09:28:14Z","links":{"resolver":"https://pith.science/pith/TLKJ4DIHI2GPUDCSETDRQCTWP3","bundle":"https://pith.science/pith/TLKJ4DIHI2GPUDCSETDRQCTWP3/bundle.json","state":"https://pith.science/pith/TLKJ4DIHI2GPUDCSETDRQCTWP3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TLKJ4DIHI2GPUDCSETDRQCTWP3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:TLKJ4DIHI2GPUDCSETDRQCTWP3","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":"5f1d880a7e943e9bce8e94e9fac8644ace48e1bcd760ef977ac9f231be13f637","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-08-30T18:00:02Z","title_canon_sha256":"66960d79dde3ad810fc85f902035a665a44a49fd87fc44a1f442df78ed214dee"},"schema_version":"1.0","source":{"id":"1808.10454","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1808.10454","created_at":"2026-05-17T23:42:43Z"},{"alias_kind":"arxiv_version","alias_value":"1808.10454v3","created_at":"2026-05-17T23:42:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1808.10454","created_at":"2026-05-17T23:42:43Z"},{"alias_kind":"pith_short_12","alias_value":"TLKJ4DIHI2GP","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_16","alias_value":"TLKJ4DIHI2GPUDCS","created_at":"2026-05-18T12:32:53Z"},{"alias_kind":"pith_short_8","alias_value":"TLKJ4DIH","created_at":"2026-05-18T12:32:53Z"}],"graph_snapshots":[{"event_id":"sha256:c9a2804e32ae28e279c64ff84f2cb5760a496c7ab6f0e265ada3826ffb90cd8e","target":"graph","created_at":"2026-05-17T23:42:43Z","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":"Galaxy mergers are a fundamental part of galaxy evolution. To study the resulting mass distributions of different kinds of galaxy mergers, we present a simulation suite of 36 high-resolution isolated merger simulations, exploring a wide range of parameter space in terms of mass ratios (mu = 1:5, 1:10, 1:50, 1:100) and orbital parameters. We find that mini mergers deposit a higher fraction of their mass in the outer halo compared to minor mergers, while their contribution to the central mass distribution is highly dependent on the orbital impact parameter: for larger pericentric distances we fi","authors_text":"Andreas Burkert, Benjamin P. Moster, Geray S. Karademir, Jielai Zhang, Klaus Dolag, Rhea-Silvia Remus, Tadziu L. Hoffmann, Ulrich Steinwandel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-08-30T18:00:02Z","title":"The Outer Stellar Halos of Galaxies: how Radial Merger Mass Deposition, Shells and Streams depend on Infall-Orbit Configurations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1808.10454","kind":"arxiv","version":3},"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":"sha256:1d61ff42970cc127ecbb8ea00a715d46b6434792b538676186c3f166002db404","target":"record","created_at":"2026-05-17T23:42:43Z","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":"5f1d880a7e943e9bce8e94e9fac8644ace48e1bcd760ef977ac9f231be13f637","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2018-08-30T18:00:02Z","title_canon_sha256":"66960d79dde3ad810fc85f902035a665a44a49fd87fc44a1f442df78ed214dee"},"schema_version":"1.0","source":{"id":"1808.10454","kind":"arxiv","version":3}},"canonical_sha256":"9ad49e0d07468cfa0c5224c7180a767ec72d4a22c56f2e3f9fb738775f39f1fc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9ad49e0d07468cfa0c5224c7180a767ec72d4a22c56f2e3f9fb738775f39f1fc","first_computed_at":"2026-05-17T23:42:43.065212Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:42:43.065212Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SNL+mwwTGZV0wzQUSDYJyixnLTC1xDTENLsfBeh9Mrf+HJQltytc9eYB+rsTmYLwJWXVdF7np99sAkiaxk12Bw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:42:43.065752Z","signed_message":"canonical_sha256_bytes"},"source_id":"1808.10454","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1d61ff42970cc127ecbb8ea00a715d46b6434792b538676186c3f166002db404","sha256:c9a2804e32ae28e279c64ff84f2cb5760a496c7ab6f0e265ada3826ffb90cd8e"],"state_sha256":"658925172f015e49f7c89fde8f3652cc285563e62e5eba0242832f1280f9fc88"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m1+2zbmhJFm46CMmK407jSfVRUHCK7CdEmk7y64YVRY6aypLYGk2UugYWoqncNT7BK9/p3Gg9IAmrRoR8NMPAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T09:28:14.110333Z","bundle_sha256":"a4cd1c5ec91cff1993efc2c54a37e91718b893dd0504055e0af6d73288e852a2"}}