{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:NCUQE7TPL2YZMNGU6QWGVBDNO5","short_pith_number":"pith:NCUQE7TP","canonical_record":{"source":{"id":"1604.05689","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SY","submitted_at":"2016-04-19T18:42:39Z","cross_cats_sorted":[],"title_canon_sha256":"c447cb13f065d6c8cf3c410c8f1cfa5dcf5bd594afc47f4b0f60169ac05fbe50","abstract_canon_sha256":"f785cba4bae3d1a970cb2a0d02642a4328c0423aacb6d917fe7e94f0e43ff3b4"},"schema_version":"1.0"},"canonical_sha256":"68a9027e6f5eb19634d4f42c6a846d7752af88729c9e9e4587674412275a4c5f","source":{"kind":"arxiv","id":"1604.05689","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.05689","created_at":"2026-05-18T01:12:54Z"},{"alias_kind":"arxiv_version","alias_value":"1604.05689v2","created_at":"2026-05-18T01:12:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.05689","created_at":"2026-05-18T01:12:54Z"},{"alias_kind":"pith_short_12","alias_value":"NCUQE7TPL2YZ","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_16","alias_value":"NCUQE7TPL2YZMNGU","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_8","alias_value":"NCUQE7TP","created_at":"2026-05-18T12:30:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:NCUQE7TPL2YZMNGU6QWGVBDNO5","target":"record","payload":{"canonical_record":{"source":{"id":"1604.05689","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SY","submitted_at":"2016-04-19T18:42:39Z","cross_cats_sorted":[],"title_canon_sha256":"c447cb13f065d6c8cf3c410c8f1cfa5dcf5bd594afc47f4b0f60169ac05fbe50","abstract_canon_sha256":"f785cba4bae3d1a970cb2a0d02642a4328c0423aacb6d917fe7e94f0e43ff3b4"},"schema_version":"1.0"},"canonical_sha256":"68a9027e6f5eb19634d4f42c6a846d7752af88729c9e9e4587674412275a4c5f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:12:54.768026Z","signature_b64":"d7CzEIWkcWe68GR/us9nhvV985BfpYCvIF2WkA812BuXtSrcEFhV7gSkErWRyLrCXX4lXazLnijKCHmMrfq3BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"68a9027e6f5eb19634d4f42c6a846d7752af88729c9e9e4587674412275a4c5f","last_reissued_at":"2026-05-18T01:12:54.767688Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:12:54.767688Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1604.05689","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":"2026-05-18T01:12:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"obxu6hd0sEx1fkcwM9LFKdwJKCCFRNOH/DpuYO9g1Szau8I34WM1jzL2exAzc5WCKsGo0hjy3SaJRauQOFdjBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T06:08:33.143433Z"},"content_sha256":"7925e141d34eccaca81ee58659646add018cd1c2ba67808bd3c289321693de66","schema_version":"1.0","event_id":"sha256:7925e141d34eccaca81ee58659646add018cd1c2ba67808bd3c289321693de66"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:NCUQE7TPL2YZMNGU6QWGVBDNO5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Accurate Online Full Charge Capacity Modeling of Smartphone Batteries","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cs.SY","authors_text":"Jonghoe Koo, Matti Siekkinen, Mohammad A. Hoque, Sasu Tarkoma","submitted_at":"2016-04-19T18:42:39Z","abstract_excerpt":"Full charge capacity (FCC) refers to the amount of energy a battery can hold. It is the fundamental property of smartphone batteries that diminishes as the battery ages and is charged/discharged. We investigate the behavior of smartphone batteries while charging and demonstrate that the battery voltage and charging rate information can together characterize the FCC of a battery. We propose a new method for accurately estimating FCC without exposing low-level system details or introducing new hardware or system modules. We also propose and implement a collaborative FCC estimation technique that"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.05689","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":""},"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":"2026-05-18T01:12:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eUwx1QhbMjhhEPcuRrdpuxeV+tAq9g6ZdxW8EK6rlqhwqIa+4EdqUcoRXrBdrHoJCvcFUHgjf0/ZN1bD7Tb8DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-08T06:08:33.144096Z"},"content_sha256":"2be0b1c6bf9c7532d2770ef9b1a713fa39925d9545f91d9ded56e27a245fd402","schema_version":"1.0","event_id":"sha256:2be0b1c6bf9c7532d2770ef9b1a713fa39925d9545f91d9ded56e27a245fd402"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NCUQE7TPL2YZMNGU6QWGVBDNO5/bundle.json","state_url":"https://pith.science/pith/NCUQE7TPL2YZMNGU6QWGVBDNO5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NCUQE7TPL2YZMNGU6QWGVBDNO5/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":"2026-06-08T06:08:33Z","links":{"resolver":"https://pith.science/pith/NCUQE7TPL2YZMNGU6QWGVBDNO5","bundle":"https://pith.science/pith/NCUQE7TPL2YZMNGU6QWGVBDNO5/bundle.json","state":"https://pith.science/pith/NCUQE7TPL2YZMNGU6QWGVBDNO5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NCUQE7TPL2YZMNGU6QWGVBDNO5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:NCUQE7TPL2YZMNGU6QWGVBDNO5","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":"f785cba4bae3d1a970cb2a0d02642a4328c0423aacb6d917fe7e94f0e43ff3b4","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SY","submitted_at":"2016-04-19T18:42:39Z","title_canon_sha256":"c447cb13f065d6c8cf3c410c8f1cfa5dcf5bd594afc47f4b0f60169ac05fbe50"},"schema_version":"1.0","source":{"id":"1604.05689","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.05689","created_at":"2026-05-18T01:12:54Z"},{"alias_kind":"arxiv_version","alias_value":"1604.05689v2","created_at":"2026-05-18T01:12:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.05689","created_at":"2026-05-18T01:12:54Z"},{"alias_kind":"pith_short_12","alias_value":"NCUQE7TPL2YZ","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_16","alias_value":"NCUQE7TPL2YZMNGU","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_8","alias_value":"NCUQE7TP","created_at":"2026-05-18T12:30:32Z"}],"graph_snapshots":[{"event_id":"sha256:2be0b1c6bf9c7532d2770ef9b1a713fa39925d9545f91d9ded56e27a245fd402","target":"graph","created_at":"2026-05-18T01:12:54Z","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":"Full charge capacity (FCC) refers to the amount of energy a battery can hold. It is the fundamental property of smartphone batteries that diminishes as the battery ages and is charged/discharged. We investigate the behavior of smartphone batteries while charging and demonstrate that the battery voltage and charging rate information can together characterize the FCC of a battery. We propose a new method for accurately estimating FCC without exposing low-level system details or introducing new hardware or system modules. We also propose and implement a collaborative FCC estimation technique that","authors_text":"Jonghoe Koo, Matti Siekkinen, Mohammad A. Hoque, Sasu Tarkoma","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SY","submitted_at":"2016-04-19T18:42:39Z","title":"Accurate Online Full Charge Capacity Modeling of Smartphone Batteries"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.05689","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":"sha256:7925e141d34eccaca81ee58659646add018cd1c2ba67808bd3c289321693de66","target":"record","created_at":"2026-05-18T01:12:54Z","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":"f785cba4bae3d1a970cb2a0d02642a4328c0423aacb6d917fe7e94f0e43ff3b4","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.SY","submitted_at":"2016-04-19T18:42:39Z","title_canon_sha256":"c447cb13f065d6c8cf3c410c8f1cfa5dcf5bd594afc47f4b0f60169ac05fbe50"},"schema_version":"1.0","source":{"id":"1604.05689","kind":"arxiv","version":2}},"canonical_sha256":"68a9027e6f5eb19634d4f42c6a846d7752af88729c9e9e4587674412275a4c5f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"68a9027e6f5eb19634d4f42c6a846d7752af88729c9e9e4587674412275a4c5f","first_computed_at":"2026-05-18T01:12:54.767688Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:12:54.767688Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"d7CzEIWkcWe68GR/us9nhvV985BfpYCvIF2WkA812BuXtSrcEFhV7gSkErWRyLrCXX4lXazLnijKCHmMrfq3BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:12:54.768026Z","signed_message":"canonical_sha256_bytes"},"source_id":"1604.05689","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7925e141d34eccaca81ee58659646add018cd1c2ba67808bd3c289321693de66","sha256:2be0b1c6bf9c7532d2770ef9b1a713fa39925d9545f91d9ded56e27a245fd402"],"state_sha256":"b2e251ae428727034c5513938dff4842a35f4b1a1c9decc9851f1ac3806baf10"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0E5I8ShloIHRkeQqtCjRhJS1Vhr9fRjcZeZZAYVuRgQPW2ejLB9wZVzhV88mynBeDILmQdS8gYZIyQHWmHc3Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-08T06:08:33.148102Z","bundle_sha256":"7d6b1468d088ea8f19b9223968c2677017791770b7be1fd5ab816274dbfd7702"}}