{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:2NNHM4YZYURDXLBVHUUKU5LHQS","short_pith_number":"pith:2NNHM4YZ","canonical_record":{"source":{"id":"2106.12239","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2021-06-23T08:55:19Z","cross_cats_sorted":[],"title_canon_sha256":"228c3ce1328e75f54e112025eae8e9f38bddade50cc863e62beca80cebc64c0e","abstract_canon_sha256":"c9d89a93c3df38b2207105500c9f7a9d3daa2a237331e3ff8c012483ce01cd2a"},"schema_version":"1.0"},"canonical_sha256":"d35a767319c5223bac353d28aa75678489bcbc7e69d6f4cf3d4a595a1291d890","source":{"kind":"arxiv","id":"2106.12239","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2106.12239","created_at":"2026-07-05T02:51:44Z"},{"alias_kind":"arxiv_version","alias_value":"2106.12239v1","created_at":"2026-07-05T02:51:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2106.12239","created_at":"2026-07-05T02:51:44Z"},{"alias_kind":"pith_short_12","alias_value":"2NNHM4YZYURD","created_at":"2026-07-05T02:51:44Z"},{"alias_kind":"pith_short_16","alias_value":"2NNHM4YZYURDXLBV","created_at":"2026-07-05T02:51:44Z"},{"alias_kind":"pith_short_8","alias_value":"2NNHM4YZ","created_at":"2026-07-05T02:51:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:2NNHM4YZYURDXLBVHUUKU5LHQS","target":"record","payload":{"canonical_record":{"source":{"id":"2106.12239","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2021-06-23T08:55:19Z","cross_cats_sorted":[],"title_canon_sha256":"228c3ce1328e75f54e112025eae8e9f38bddade50cc863e62beca80cebc64c0e","abstract_canon_sha256":"c9d89a93c3df38b2207105500c9f7a9d3daa2a237331e3ff8c012483ce01cd2a"},"schema_version":"1.0"},"canonical_sha256":"d35a767319c5223bac353d28aa75678489bcbc7e69d6f4cf3d4a595a1291d890","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:51:44.067676Z","signature_b64":"fMhBWBpsW7a9rjrCTYC56GWGpME+TtVJnWTD8jDwkf3JU0NSCg95wmNja1MpXXctFRlrvlsMj9IqwdANw0fsBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d35a767319c5223bac353d28aa75678489bcbc7e69d6f4cf3d4a595a1291d890","last_reissued_at":"2026-07-05T02:51:44.067183Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:51:44.067183Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2106.12239","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":"2026-07-05T02:51:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0+Bo7h97KuKJxE3s16pOVuEms9k6Hlqu2GQDOf11gs6EULJsoNE2POwrt2F/UtB+XP85U2ZiaWwAZAuAsNe6Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T22:33:36.023737Z"},"content_sha256":"2225ceff37875b510ee8fdd2c2e07b6d8886c87770ebb0d2dd958f8782055db3","schema_version":"1.0","event_id":"sha256:2225ceff37875b510ee8fdd2c2e07b6d8886c87770ebb0d2dd958f8782055db3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:2NNHM4YZYURDXLBVHUUKU5LHQS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"What makes a good Node.js package? Investigating Users, Contributors, and Runnability","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.SE","authors_text":"Bodin Chinthanet, Brittany Reid, Christoph Treude, Kenichi Matsumoto, Markus Wagner, Raula Gaikovina Kula, Takashi Ishio","submitted_at":"2021-06-23T08:55:19Z","abstract_excerpt":"The Node.js Package Manager (i.e., npm) archive repository serves as a critical part of the JavaScript community and helps support one of the largest developer ecosystems in the world. However, as a developer, selecting an appropriate npm package to use or contribute to can be difficult. To understand what features users and contributors consider important when searching for a good npm package, we conduct a survey asking Node.js developers to evaluate the importance of 30 features derived from existing work, including GitHub activity, software usability, and properties of the repository and do"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2106.12239","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2106.12239/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T02:51:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gnKnOZVBoQFfodbGq/KIjkVh5Mu8Wm3B3OHCj3A/e9HQcFbB0y6aa5eOmfBKKh9Oi4rpo7naYxypy7sV6u9lCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T22:33:36.024254Z"},"content_sha256":"60f6fbaf72f4a8242e7933d9619b12f9c02449bf29ab21695f4c3d6acbde5b1f","schema_version":"1.0","event_id":"sha256:60f6fbaf72f4a8242e7933d9619b12f9c02449bf29ab21695f4c3d6acbde5b1f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2NNHM4YZYURDXLBVHUUKU5LHQS/bundle.json","state_url":"https://pith.science/pith/2NNHM4YZYURDXLBVHUUKU5LHQS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2NNHM4YZYURDXLBVHUUKU5LHQS/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":"2026-08-23T22:33:36Z","links":{"resolver":"https://pith.science/pith/2NNHM4YZYURDXLBVHUUKU5LHQS","bundle":"https://pith.science/pith/2NNHM4YZYURDXLBVHUUKU5LHQS/bundle.json","state":"https://pith.science/pith/2NNHM4YZYURDXLBVHUUKU5LHQS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2NNHM4YZYURDXLBVHUUKU5LHQS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:2NNHM4YZYURDXLBVHUUKU5LHQS","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":"c9d89a93c3df38b2207105500c9f7a9d3daa2a237331e3ff8c012483ce01cd2a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2021-06-23T08:55:19Z","title_canon_sha256":"228c3ce1328e75f54e112025eae8e9f38bddade50cc863e62beca80cebc64c0e"},"schema_version":"1.0","source":{"id":"2106.12239","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2106.12239","created_at":"2026-07-05T02:51:44Z"},{"alias_kind":"arxiv_version","alias_value":"2106.12239v1","created_at":"2026-07-05T02:51:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2106.12239","created_at":"2026-07-05T02:51:44Z"},{"alias_kind":"pith_short_12","alias_value":"2NNHM4YZYURD","created_at":"2026-07-05T02:51:44Z"},{"alias_kind":"pith_short_16","alias_value":"2NNHM4YZYURDXLBV","created_at":"2026-07-05T02:51:44Z"},{"alias_kind":"pith_short_8","alias_value":"2NNHM4YZ","created_at":"2026-07-05T02:51:44Z"}],"graph_snapshots":[{"event_id":"sha256:60f6fbaf72f4a8242e7933d9619b12f9c02449bf29ab21695f4c3d6acbde5b1f","target":"graph","created_at":"2026-07-05T02:51:44Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2106.12239/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Node.js Package Manager (i.e., npm) archive repository serves as a critical part of the JavaScript community and helps support one of the largest developer ecosystems in the world. However, as a developer, selecting an appropriate npm package to use or contribute to can be difficult. To understand what features users and contributors consider important when searching for a good npm package, we conduct a survey asking Node.js developers to evaluate the importance of 30 features derived from existing work, including GitHub activity, software usability, and properties of the repository and do","authors_text":"Bodin Chinthanet, Brittany Reid, Christoph Treude, Kenichi Matsumoto, Markus Wagner, Raula Gaikovina Kula, Takashi Ishio","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2021-06-23T08:55:19Z","title":"What makes a good Node.js package? Investigating Users, Contributors, and Runnability"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2106.12239","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":"sha256:2225ceff37875b510ee8fdd2c2e07b6d8886c87770ebb0d2dd958f8782055db3","target":"record","created_at":"2026-07-05T02:51:44Z","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":"c9d89a93c3df38b2207105500c9f7a9d3daa2a237331e3ff8c012483ce01cd2a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SE","submitted_at":"2021-06-23T08:55:19Z","title_canon_sha256":"228c3ce1328e75f54e112025eae8e9f38bddade50cc863e62beca80cebc64c0e"},"schema_version":"1.0","source":{"id":"2106.12239","kind":"arxiv","version":1}},"canonical_sha256":"d35a767319c5223bac353d28aa75678489bcbc7e69d6f4cf3d4a595a1291d890","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d35a767319c5223bac353d28aa75678489bcbc7e69d6f4cf3d4a595a1291d890","first_computed_at":"2026-07-05T02:51:44.067183Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:51:44.067183Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fMhBWBpsW7a9rjrCTYC56GWGpME+TtVJnWTD8jDwkf3JU0NSCg95wmNja1MpXXctFRlrvlsMj9IqwdANw0fsBg==","signature_status":"signed_v1","signed_at":"2026-07-05T02:51:44.067676Z","signed_message":"canonical_sha256_bytes"},"source_id":"2106.12239","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2225ceff37875b510ee8fdd2c2e07b6d8886c87770ebb0d2dd958f8782055db3","sha256:60f6fbaf72f4a8242e7933d9619b12f9c02449bf29ab21695f4c3d6acbde5b1f"],"state_sha256":"b74dd754c81758a50bd6734da8cb43534d6c8a878634c26a72025cd47c653551"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2c//mVQlskPywuk0XAW4K9+a6yfy5VIan6DZYc14bj917FKI5aX2iwn4KUiAUDF9UDvyRdD7sU4fNIeqKVphBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T22:33:36.028176Z","bundle_sha256":"955453cfedf089c8ae6096af102739ad695aed9a4dd0cf49eaec6be4c7539a29"}}