{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:VY2TGMEUFETNB2TTJFZSRVO7HM","short_pith_number":"pith:VY2TGMEU","canonical_record":{"source":{"id":"1408.5748","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2014-08-25T13:23:40Z","cross_cats_sorted":["cs.SE"],"title_canon_sha256":"d351f714d09a3d8ed062a641dfcb4b0db134b4dba8f4da5143b14d5e940c5901","abstract_canon_sha256":"8c4cbde49373add662acdae68714c4cd3bf433534ecc11b997f422361d5d894b"},"schema_version":"1.0"},"canonical_sha256":"ae353330942926d0ea73497328d5df3b0902e148db7c1f1ea484cc31efb00b58","source":{"kind":"arxiv","id":"1408.5748","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.5748","created_at":"2026-05-18T02:44:24Z"},{"alias_kind":"arxiv_version","alias_value":"1408.5748v1","created_at":"2026-05-18T02:44:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.5748","created_at":"2026-05-18T02:44:24Z"},{"alias_kind":"pith_short_12","alias_value":"VY2TGMEUFETN","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"VY2TGMEUFETNB2TT","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"VY2TGMEU","created_at":"2026-05-18T12:28:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:VY2TGMEUFETNB2TTJFZSRVO7HM","target":"record","payload":{"canonical_record":{"source":{"id":"1408.5748","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2014-08-25T13:23:40Z","cross_cats_sorted":["cs.SE"],"title_canon_sha256":"d351f714d09a3d8ed062a641dfcb4b0db134b4dba8f4da5143b14d5e940c5901","abstract_canon_sha256":"8c4cbde49373add662acdae68714c4cd3bf433534ecc11b997f422361d5d894b"},"schema_version":"1.0"},"canonical_sha256":"ae353330942926d0ea73497328d5df3b0902e148db7c1f1ea484cc31efb00b58","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:44:24.241290Z","signature_b64":"hzFozDg/88YDtYiHQK05HN5OW3XV2FV3sDqCklm8N0UneVY3dMBpX/5BtYQ36h8qjTdFHi9iUN0A3JF7XvJfDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ae353330942926d0ea73497328d5df3b0902e148db7c1f1ea484cc31efb00b58","last_reissued_at":"2026-05-18T02:44:24.240888Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:44:24.240888Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1408.5748","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":"2026-05-18T02:44:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CrLcFm/4nAK+CowZTOkQb+ZC3TU95EXj2Xe0LCy3+8oJxAGfpARMVNo5LCwnfdeVx+RpxSo0Z1aqHXQe2vKVBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T20:11:54.392612Z"},"content_sha256":"5ff98d6f8853ccbb3b81fe497bcc9a903e1a95df4053ef7821bdd6520656c05f","schema_version":"1.0","event_id":"sha256:5ff98d6f8853ccbb3b81fe497bcc9a903e1a95df4053ef7821bdd6520656c05f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:VY2TGMEUFETNB2TTJFZSRVO7HM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Dual Model of Open Source License Growth","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SE"],"primary_cat":"cs.CY","authors_text":"Carsten Kolassa, Dirk Riehle, Gottfried Hoffmann, Wolfgang Mauerer","submitted_at":"2014-08-25T13:23:40Z","abstract_excerpt":"Every open source project needs to decide on an open source license. This decision is of high economic relevance: Just which license is the best one to help the project grow and attract a community? The most common question is: Should the project choose a restrictive (reciprocal) license or a more permissive one? As an important step towards answering this question, this paper analyses actual license choice and correlated project growth from ten years of open source projects. It provides closed analytical models and finds that around 2001 a reversal in license choice occurred from restrictive "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.5748","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":"2026-05-18T02:44:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WjUHK/imEJffdTTmXN3lyizkpr2VqopyOSCo7GOaQdFn0A1gzlD2s2Pr23I8AC2ZtVDFLgrvhT+4fqFG04lPCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T20:11:54.392973Z"},"content_sha256":"70e2bd866134036bd19bf93156e38535bdeb7bdfb1c7799bfbac2274079a9e6c","schema_version":"1.0","event_id":"sha256:70e2bd866134036bd19bf93156e38535bdeb7bdfb1c7799bfbac2274079a9e6c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VY2TGMEUFETNB2TTJFZSRVO7HM/bundle.json","state_url":"https://pith.science/pith/VY2TGMEUFETNB2TTJFZSRVO7HM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VY2TGMEUFETNB2TTJFZSRVO7HM/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":"2026-06-01T20:11:54Z","links":{"resolver":"https://pith.science/pith/VY2TGMEUFETNB2TTJFZSRVO7HM","bundle":"https://pith.science/pith/VY2TGMEUFETNB2TTJFZSRVO7HM/bundle.json","state":"https://pith.science/pith/VY2TGMEUFETNB2TTJFZSRVO7HM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VY2TGMEUFETNB2TTJFZSRVO7HM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:VY2TGMEUFETNB2TTJFZSRVO7HM","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":"8c4cbde49373add662acdae68714c4cd3bf433534ecc11b997f422361d5d894b","cross_cats_sorted":["cs.SE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2014-08-25T13:23:40Z","title_canon_sha256":"d351f714d09a3d8ed062a641dfcb4b0db134b4dba8f4da5143b14d5e940c5901"},"schema_version":"1.0","source":{"id":"1408.5748","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1408.5748","created_at":"2026-05-18T02:44:24Z"},{"alias_kind":"arxiv_version","alias_value":"1408.5748v1","created_at":"2026-05-18T02:44:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1408.5748","created_at":"2026-05-18T02:44:24Z"},{"alias_kind":"pith_short_12","alias_value":"VY2TGMEUFETN","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_16","alias_value":"VY2TGMEUFETNB2TT","created_at":"2026-05-18T12:28:54Z"},{"alias_kind":"pith_short_8","alias_value":"VY2TGMEU","created_at":"2026-05-18T12:28:54Z"}],"graph_snapshots":[{"event_id":"sha256:70e2bd866134036bd19bf93156e38535bdeb7bdfb1c7799bfbac2274079a9e6c","target":"graph","created_at":"2026-05-18T02:44:24Z","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":"Every open source project needs to decide on an open source license. This decision is of high economic relevance: Just which license is the best one to help the project grow and attract a community? The most common question is: Should the project choose a restrictive (reciprocal) license or a more permissive one? As an important step towards answering this question, this paper analyses actual license choice and correlated project growth from ten years of open source projects. It provides closed analytical models and finds that around 2001 a reversal in license choice occurred from restrictive ","authors_text":"Carsten Kolassa, Dirk Riehle, Gottfried Hoffmann, Wolfgang Mauerer","cross_cats":["cs.SE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2014-08-25T13:23:40Z","title":"A Dual Model of Open Source License Growth"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1408.5748","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":"sha256:5ff98d6f8853ccbb3b81fe497bcc9a903e1a95df4053ef7821bdd6520656c05f","target":"record","created_at":"2026-05-18T02:44:24Z","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":"8c4cbde49373add662acdae68714c4cd3bf433534ecc11b997f422361d5d894b","cross_cats_sorted":["cs.SE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CY","submitted_at":"2014-08-25T13:23:40Z","title_canon_sha256":"d351f714d09a3d8ed062a641dfcb4b0db134b4dba8f4da5143b14d5e940c5901"},"schema_version":"1.0","source":{"id":"1408.5748","kind":"arxiv","version":1}},"canonical_sha256":"ae353330942926d0ea73497328d5df3b0902e148db7c1f1ea484cc31efb00b58","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ae353330942926d0ea73497328d5df3b0902e148db7c1f1ea484cc31efb00b58","first_computed_at":"2026-05-18T02:44:24.240888Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:44:24.240888Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hzFozDg/88YDtYiHQK05HN5OW3XV2FV3sDqCklm8N0UneVY3dMBpX/5BtYQ36h8qjTdFHi9iUN0A3JF7XvJfDA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:44:24.241290Z","signed_message":"canonical_sha256_bytes"},"source_id":"1408.5748","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5ff98d6f8853ccbb3b81fe497bcc9a903e1a95df4053ef7821bdd6520656c05f","sha256:70e2bd866134036bd19bf93156e38535bdeb7bdfb1c7799bfbac2274079a9e6c"],"state_sha256":"81962401f7eaadfb881200304420bc4fb6deb8a117dfe2e781dca9a0cd39605d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CINPB2oDVjHxqB4cfgKVZRKoD8M4xQsPwdAWZ5HqMoCqJlC/yU+B+3jL4Qk39f6ZSSZ7vcEZsjRP1rj/GQ4LAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T20:11:54.394838Z","bundle_sha256":"5dd621a915f95cc31036176635ee598a1215bea2b31c0e67c684dff58930b34f"}}