{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:W7PDCQTSG2NL5SECID7XPL5T7E","short_pith_number":"pith:W7PDCQTS","canonical_record":{"source":{"id":"2512.05402","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2025-12-05T03:47:13Z","cross_cats_sorted":["cs.AI","cs.CE","cs.NE"],"title_canon_sha256":"3e0cbf4e55b0af26c1dc7abecc5bab53dc411d4d2b9aa0a1fae87eb8f19b8e67","abstract_canon_sha256":"45ac64fef577d837b26bd845089dd26d4ccf0a93543de7d8c2ca775cdd54a855"},"schema_version":"1.0"},"canonical_sha256":"b7de314272369abec88240ff77afb3f925d29c711de0c868ba1d3261a16a7182","source":{"kind":"arxiv","id":"2512.05402","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2512.05402","created_at":"2026-05-26T02:05:04Z"},{"alias_kind":"arxiv_version","alias_value":"2512.05402v2","created_at":"2026-05-26T02:05:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2512.05402","created_at":"2026-05-26T02:05:04Z"},{"alias_kind":"pith_short_12","alias_value":"W7PDCQTSG2NL","created_at":"2026-05-26T02:05:04Z"},{"alias_kind":"pith_short_16","alias_value":"W7PDCQTSG2NL5SEC","created_at":"2026-05-26T02:05:04Z"},{"alias_kind":"pith_short_8","alias_value":"W7PDCQTS","created_at":"2026-05-26T02:05:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:W7PDCQTSG2NL5SECID7XPL5T7E","target":"record","payload":{"canonical_record":{"source":{"id":"2512.05402","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2025-12-05T03:47:13Z","cross_cats_sorted":["cs.AI","cs.CE","cs.NE"],"title_canon_sha256":"3e0cbf4e55b0af26c1dc7abecc5bab53dc411d4d2b9aa0a1fae87eb8f19b8e67","abstract_canon_sha256":"45ac64fef577d837b26bd845089dd26d4ccf0a93543de7d8c2ca775cdd54a855"},"schema_version":"1.0"},"canonical_sha256":"b7de314272369abec88240ff77afb3f925d29c711de0c868ba1d3261a16a7182","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-26T02:05:04.397727Z","signature_b64":"c+tZz9OMi/pu+sWp3vT339UkuHn1/ZqpH4EBScM5SdipmykMEdNvhJiOD7AHL3wMavl/3qSpCfxjuvlZ3zPrBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b7de314272369abec88240ff77afb3f925d29c711de0c868ba1d3261a16a7182","last_reissued_at":"2026-05-26T02:05:04.396912Z","signature_status":"signed_v1","first_computed_at":"2026-05-26T02:05:04.396912Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2512.05402","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-26T02:05:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KlAR2kmfRhS+JQBn5sDkLF+X64Jc2YnSEgpAk8SMqUSwPnTqwh6zCaIIQMTBIsYcK5+iq/9lRb5BhQ3o1etJBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T09:09:03.007537Z"},"content_sha256":"67098dce48b474ba908cff507ae108477a76c64ca250e1761af0ddd803a3f846","schema_version":"1.0","event_id":"sha256:67098dce48b474ba908cff507ae108477a76c64ca250e1761af0ddd803a3f846"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:W7PDCQTSG2NL5SECID7XPL5T7E","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Smart Timing for Mining: A Deep Learning Framework for Bitcoin Hardware ROI Prediction","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.AI","cs.CE","cs.NE"],"primary_cat":"cs.LG","authors_text":"Bikramjit Das, Dorien Herremans, Sithumi Wickramasinghe","submitted_at":"2025-12-05T03:47:13Z","abstract_excerpt":"Bitcoin mining hardware acquisition requires strategic timing due to volatile markets, rapid technological obsolescence, and protocol-driven revenue cycles. Despite mining's evolution into a capital-intensive industry, there is little guidance on when to purchase new Application-Specific Integrated Circuit (ASIC) hardware, and no prior computational frameworks address this decision problem. We address this gap by formulating hardware acquisition as a time series classification task, predicting whether purchasing ASIC machines yields profitable (Return on Investment (ROI) >= 1), marginal (0 < R"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2512.05402","kind":"arxiv","version":2},"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/2512.05402/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":"2026-05-26T02:05:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nSRn67iLxhajOMeqxwIxxOGkfT/MndegOLSGc0aV+IULnl8fU9BktTqMNhRnUxB+FxFCd9vpvA08Gqd5QO0OCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T09:09:03.007906Z"},"content_sha256":"34be50ac4ccdf0012c4d82b808989a2d4018b76fcf5014a07f0c33d3e0e67b05","schema_version":"1.0","event_id":"sha256:34be50ac4ccdf0012c4d82b808989a2d4018b76fcf5014a07f0c33d3e0e67b05"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/W7PDCQTSG2NL5SECID7XPL5T7E/bundle.json","state_url":"https://pith.science/pith/W7PDCQTSG2NL5SECID7XPL5T7E/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/W7PDCQTSG2NL5SECID7XPL5T7E/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":"2026-06-26T09:09:03Z","links":{"resolver":"https://pith.science/pith/W7PDCQTSG2NL5SECID7XPL5T7E","bundle":"https://pith.science/pith/W7PDCQTSG2NL5SECID7XPL5T7E/bundle.json","state":"https://pith.science/pith/W7PDCQTSG2NL5SECID7XPL5T7E/state.json","well_known_bundle":"https://pith.science/.well-known/pith/W7PDCQTSG2NL5SECID7XPL5T7E/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:W7PDCQTSG2NL5SECID7XPL5T7E","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":"45ac64fef577d837b26bd845089dd26d4ccf0a93543de7d8c2ca775cdd54a855","cross_cats_sorted":["cs.AI","cs.CE","cs.NE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2025-12-05T03:47:13Z","title_canon_sha256":"3e0cbf4e55b0af26c1dc7abecc5bab53dc411d4d2b9aa0a1fae87eb8f19b8e67"},"schema_version":"1.0","source":{"id":"2512.05402","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2512.05402","created_at":"2026-05-26T02:05:04Z"},{"alias_kind":"arxiv_version","alias_value":"2512.05402v2","created_at":"2026-05-26T02:05:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2512.05402","created_at":"2026-05-26T02:05:04Z"},{"alias_kind":"pith_short_12","alias_value":"W7PDCQTSG2NL","created_at":"2026-05-26T02:05:04Z"},{"alias_kind":"pith_short_16","alias_value":"W7PDCQTSG2NL5SEC","created_at":"2026-05-26T02:05:04Z"},{"alias_kind":"pith_short_8","alias_value":"W7PDCQTS","created_at":"2026-05-26T02:05:04Z"}],"graph_snapshots":[{"event_id":"sha256:34be50ac4ccdf0012c4d82b808989a2d4018b76fcf5014a07f0c33d3e0e67b05","target":"graph","created_at":"2026-05-26T02:05:04Z","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/2512.05402/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Bitcoin mining hardware acquisition requires strategic timing due to volatile markets, rapid technological obsolescence, and protocol-driven revenue cycles. Despite mining's evolution into a capital-intensive industry, there is little guidance on when to purchase new Application-Specific Integrated Circuit (ASIC) hardware, and no prior computational frameworks address this decision problem. We address this gap by formulating hardware acquisition as a time series classification task, predicting whether purchasing ASIC machines yields profitable (Return on Investment (ROI) >= 1), marginal (0 < R","authors_text":"Bikramjit Das, Dorien Herremans, Sithumi Wickramasinghe","cross_cats":["cs.AI","cs.CE","cs.NE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2025-12-05T03:47:13Z","title":"Smart Timing for Mining: A Deep Learning Framework for Bitcoin Hardware ROI Prediction"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2512.05402","kind":"arxiv","version":2},"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":"sha256:67098dce48b474ba908cff507ae108477a76c64ca250e1761af0ddd803a3f846","target":"record","created_at":"2026-05-26T02:05:04Z","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":"45ac64fef577d837b26bd845089dd26d4ccf0a93543de7d8c2ca775cdd54a855","cross_cats_sorted":["cs.AI","cs.CE","cs.NE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.LG","submitted_at":"2025-12-05T03:47:13Z","title_canon_sha256":"3e0cbf4e55b0af26c1dc7abecc5bab53dc411d4d2b9aa0a1fae87eb8f19b8e67"},"schema_version":"1.0","source":{"id":"2512.05402","kind":"arxiv","version":2}},"canonical_sha256":"b7de314272369abec88240ff77afb3f925d29c711de0c868ba1d3261a16a7182","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b7de314272369abec88240ff77afb3f925d29c711de0c868ba1d3261a16a7182","first_computed_at":"2026-05-26T02:05:04.396912Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-26T02:05:04.396912Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"c+tZz9OMi/pu+sWp3vT339UkuHn1/ZqpH4EBScM5SdipmykMEdNvhJiOD7AHL3wMavl/3qSpCfxjuvlZ3zPrBg==","signature_status":"signed_v1","signed_at":"2026-05-26T02:05:04.397727Z","signed_message":"canonical_sha256_bytes"},"source_id":"2512.05402","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:67098dce48b474ba908cff507ae108477a76c64ca250e1761af0ddd803a3f846","sha256:34be50ac4ccdf0012c4d82b808989a2d4018b76fcf5014a07f0c33d3e0e67b05"],"state_sha256":"f7270c45e0d655ff43aecb32a1a647fd6c87440061d0cf393de1b2ec65e24229"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Tv95caxInyXOsWsrjFnoLzxxZw5lnePgHTatm02qqZOf7VI9av4Az7zGPtZl5zai4aLDDr4PyRPYnPd8csw/Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-26T09:09:03.009888Z","bundle_sha256":"597f9667f007036fab8805458389c132c59fad3305daf11e2c12ed5bd90942d8"}}