{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:VNKLMDYDXCL6CXVNNYHQBJS45F","short_pith_number":"pith:VNKLMDYD","canonical_record":{"source":{"id":"1804.03441","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2018-04-10T10:39:25Z","cross_cats_sorted":["cs.NE","q-bio.NC"],"title_canon_sha256":"625014d9e95ca149e0536c3204bad31df34e31404c7f2226a02a5859d18fa907","abstract_canon_sha256":"e1ab3d31bbac62d4f2f0d31779b84cbdbf0d95003e4ed1aba943e1db6b3d1f34"},"schema_version":"1.0"},"canonical_sha256":"ab54b60f03b897e15ead6e0f00a65ce9575857a6e70350153237306c41fb0dcd","source":{"kind":"arxiv","id":"1804.03441","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.03441","created_at":"2026-05-18T00:18:48Z"},{"alias_kind":"arxiv_version","alias_value":"1804.03441v1","created_at":"2026-05-18T00:18:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.03441","created_at":"2026-05-18T00:18:48Z"},{"alias_kind":"pith_short_12","alias_value":"VNKLMDYDXCL6","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"VNKLMDYDXCL6CXVN","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"VNKLMDYD","created_at":"2026-05-18T12:32:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:VNKLMDYDXCL6CXVNNYHQBJS45F","target":"record","payload":{"canonical_record":{"source":{"id":"1804.03441","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2018-04-10T10:39:25Z","cross_cats_sorted":["cs.NE","q-bio.NC"],"title_canon_sha256":"625014d9e95ca149e0536c3204bad31df34e31404c7f2226a02a5859d18fa907","abstract_canon_sha256":"e1ab3d31bbac62d4f2f0d31779b84cbdbf0d95003e4ed1aba943e1db6b3d1f34"},"schema_version":"1.0"},"canonical_sha256":"ab54b60f03b897e15ead6e0f00a65ce9575857a6e70350153237306c41fb0dcd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:18:48.244696Z","signature_b64":"A+eyVHQZLw5OFInIGPj/XNgIxTsRSY/xT7tzJodO8UdX1GIcpqxXvh5A8dwr601h/s+29PKj+zDbT7qRYZv0DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ab54b60f03b897e15ead6e0f00a65ce9575857a6e70350153237306c41fb0dcd","last_reissued_at":"2026-05-18T00:18:48.244106Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:18:48.244106Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.03441","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":"2026-05-18T00:18:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+g1KigpIqqjIRmEzKU+jfEl3oOy1avRABbDmq72lO+YSCr8DXBzRELjTx3LfL3idNHPtOwMyNBFRUwWkwTOIBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T12:38:13.376062Z"},"content_sha256":"6f3ebdf289bb6de7383bc60cc22c5b5e109b319967f74783c213f21957c45b63","schema_version":"1.0","event_id":"sha256:6f3ebdf289bb6de7383bc60cc22c5b5e109b319967f74783c213f21957c45b63"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:VNKLMDYDXCL6CXVNNYHQBJS45F","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Brain on Low Power Architectures - Efficient Simulation of Cortical Slow Waves and Asynchronous States","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.NE","q-bio.NC"],"primary_cat":"cs.DC","authors_text":"Alessandro Lonardo, Andrea Biagioni, Elena Pastorelli, Fabrizio Capuani, Francesca Lo Cicero, Francesco Simula, Giulia De Bonis, Luca Pontisso, Michele Martinelli, Paolo Cretaro, Piero Vicini, Pier Stanislao Paolucci, Roberto Ammendola","submitted_at":"2018-04-10T10:39:25Z","abstract_excerpt":"Efficient brain simulation is a scientific grand challenge, a parallel/distributed coding challenge and a source of requirements and suggestions for future computing architectures. Indeed, the human brain includes about 10^15 synapses and 10^11 neurons activated at a mean rate of several Hz. Full brain simulation poses Exascale challenges even if simulated at the highest abstraction level. The WaveScalES experiment in the Human Brain Project (HBP) has the goal of matching experimental measures and simulations of slow waves during deep-sleep and anesthesia and the transition to other brain stat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.03441","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":"2026-05-18T00:18:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P5AsjxFoThfPeOh5id6pd7lgyFr9agqs2oQvv3F7jaLXCd44bc+2fNFT5TxuB0y2sg94tTKwYxSXXM/O99PxCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T12:38:13.376744Z"},"content_sha256":"ec70601707bf7a891763d3deceb74ce6564633334682c45fca90d4b81cf41b2d","schema_version":"1.0","event_id":"sha256:ec70601707bf7a891763d3deceb74ce6564633334682c45fca90d4b81cf41b2d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VNKLMDYDXCL6CXVNNYHQBJS45F/bundle.json","state_url":"https://pith.science/pith/VNKLMDYDXCL6CXVNNYHQBJS45F/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VNKLMDYDXCL6CXVNNYHQBJS45F/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":"2026-05-27T12:38:13Z","links":{"resolver":"https://pith.science/pith/VNKLMDYDXCL6CXVNNYHQBJS45F","bundle":"https://pith.science/pith/VNKLMDYDXCL6CXVNNYHQBJS45F/bundle.json","state":"https://pith.science/pith/VNKLMDYDXCL6CXVNNYHQBJS45F/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VNKLMDYDXCL6CXVNNYHQBJS45F/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:VNKLMDYDXCL6CXVNNYHQBJS45F","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":"e1ab3d31bbac62d4f2f0d31779b84cbdbf0d95003e4ed1aba943e1db6b3d1f34","cross_cats_sorted":["cs.NE","q-bio.NC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2018-04-10T10:39:25Z","title_canon_sha256":"625014d9e95ca149e0536c3204bad31df34e31404c7f2226a02a5859d18fa907"},"schema_version":"1.0","source":{"id":"1804.03441","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.03441","created_at":"2026-05-18T00:18:48Z"},{"alias_kind":"arxiv_version","alias_value":"1804.03441v1","created_at":"2026-05-18T00:18:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.03441","created_at":"2026-05-18T00:18:48Z"},{"alias_kind":"pith_short_12","alias_value":"VNKLMDYDXCL6","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"VNKLMDYDXCL6CXVN","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"VNKLMDYD","created_at":"2026-05-18T12:32:59Z"}],"graph_snapshots":[{"event_id":"sha256:ec70601707bf7a891763d3deceb74ce6564633334682c45fca90d4b81cf41b2d","target":"graph","created_at":"2026-05-18T00:18:48Z","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":"Efficient brain simulation is a scientific grand challenge, a parallel/distributed coding challenge and a source of requirements and suggestions for future computing architectures. Indeed, the human brain includes about 10^15 synapses and 10^11 neurons activated at a mean rate of several Hz. Full brain simulation poses Exascale challenges even if simulated at the highest abstraction level. The WaveScalES experiment in the Human Brain Project (HBP) has the goal of matching experimental measures and simulations of slow waves during deep-sleep and anesthesia and the transition to other brain stat","authors_text":"Alessandro Lonardo, Andrea Biagioni, Elena Pastorelli, Fabrizio Capuani, Francesca Lo Cicero, Francesco Simula, Giulia De Bonis, Luca Pontisso, Michele Martinelli, Paolo Cretaro, Piero Vicini, Pier Stanislao Paolucci, Roberto Ammendola","cross_cats":["cs.NE","q-bio.NC"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2018-04-10T10:39:25Z","title":"The Brain on Low Power Architectures - Efficient Simulation of Cortical Slow Waves and Asynchronous States"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.03441","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":"sha256:6f3ebdf289bb6de7383bc60cc22c5b5e109b319967f74783c213f21957c45b63","target":"record","created_at":"2026-05-18T00:18:48Z","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":"e1ab3d31bbac62d4f2f0d31779b84cbdbf0d95003e4ed1aba943e1db6b3d1f34","cross_cats_sorted":["cs.NE","q-bio.NC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DC","submitted_at":"2018-04-10T10:39:25Z","title_canon_sha256":"625014d9e95ca149e0536c3204bad31df34e31404c7f2226a02a5859d18fa907"},"schema_version":"1.0","source":{"id":"1804.03441","kind":"arxiv","version":1}},"canonical_sha256":"ab54b60f03b897e15ead6e0f00a65ce9575857a6e70350153237306c41fb0dcd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ab54b60f03b897e15ead6e0f00a65ce9575857a6e70350153237306c41fb0dcd","first_computed_at":"2026-05-18T00:18:48.244106Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:18:48.244106Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"A+eyVHQZLw5OFInIGPj/XNgIxTsRSY/xT7tzJodO8UdX1GIcpqxXvh5A8dwr601h/s+29PKj+zDbT7qRYZv0DQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:18:48.244696Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.03441","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6f3ebdf289bb6de7383bc60cc22c5b5e109b319967f74783c213f21957c45b63","sha256:ec70601707bf7a891763d3deceb74ce6564633334682c45fca90d4b81cf41b2d"],"state_sha256":"6015dd3b49f730e41f5f598103158a47f6833561296b8ef070953ab69e8ce703"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ynEECHcBWL1fNFsOZB5e1y00yKgXpLSxrIsyBEuy2X2+Z59hXP5gEvLljgA1kQQVPjQ1bU4cFJGOs5LGOO5lAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T12:38:13.380255Z","bundle_sha256":"464e0e4cf05f12830d04b77bf1fc1d4fa53ed82a55f9ae78727e767bba921888"}}