{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:XQPNLNSQP3VUE53KTZHEZRYOPU","short_pith_number":"pith:XQPNLNSQ","canonical_record":{"source":{"id":"1212.3177","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2012-12-13T13:54:50Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"900a94e68d23d16544ed031d51852ca82986c0f20c8d6ba11999c118038597f7","abstract_canon_sha256":"bbd61c1995f3a2d9acd9d1c0471649f29c3fda245df3505270fd9d7a6e2e08ec"},"schema_version":"1.0"},"canonical_sha256":"bc1ed5b6507eeb42776a9e4e4cc70e7d150348a3d36ab1e364df3f377cc2f924","source":{"kind":"arxiv","id":"1212.3177","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.3177","created_at":"2026-05-18T03:38:33Z"},{"alias_kind":"arxiv_version","alias_value":"1212.3177v1","created_at":"2026-05-18T03:38:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.3177","created_at":"2026-05-18T03:38:33Z"},{"alias_kind":"pith_short_12","alias_value":"XQPNLNSQP3VU","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_16","alias_value":"XQPNLNSQP3VUE53K","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_8","alias_value":"XQPNLNSQ","created_at":"2026-05-18T12:27:27Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:XQPNLNSQP3VUE53KTZHEZRYOPU","target":"record","payload":{"canonical_record":{"source":{"id":"1212.3177","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2012-12-13T13:54:50Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"900a94e68d23d16544ed031d51852ca82986c0f20c8d6ba11999c118038597f7","abstract_canon_sha256":"bbd61c1995f3a2d9acd9d1c0471649f29c3fda245df3505270fd9d7a6e2e08ec"},"schema_version":"1.0"},"canonical_sha256":"bc1ed5b6507eeb42776a9e4e4cc70e7d150348a3d36ab1e364df3f377cc2f924","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:38:33.616678Z","signature_b64":"bxR22BJqI25EcorYgYMTiJh7eeEBbPb+2PMan5LMgHwbg7dk1YuPdHOvIAnRHaIShLNe8F7S6Ycsdt6984s1Aw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bc1ed5b6507eeb42776a9e4e4cc70e7d150348a3d36ab1e364df3f377cc2f924","last_reissued_at":"2026-05-18T03:38:33.616076Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:38:33.616076Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1212.3177","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":"2026-05-18T03:38:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Wmc37JntmipY/xEE6perjVvngPjwfUed/UA3hN4MkM+rdeB8YoUrag/7ptuDoruum5NsaCzPb4UWn+j7rGn9BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T17:14:18.751772Z"},"content_sha256":"e9001f42105c58c6713ac33578e35cc9347eca2bcdb53ff69c711f12ac4de0a3","schema_version":"1.0","event_id":"sha256:e9001f42105c58c6713ac33578e35cc9347eca2bcdb53ff69c711f12ac4de0a3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:XQPNLNSQP3VUE53KTZHEZRYOPU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Information Capacity of an Energy Harvesting Sensor Node","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Pramod Viswanath, Rajesh Ramachandran, Vinod Sharma","submitted_at":"2012-12-13T13:54:50Z","abstract_excerpt":"Energy harvesting sensor nodes are gaining popularity due to their ability to improve the network life time and are becoming a preferred choice supporting 'green communication'. In this paper we focus on communicating reliably over an AWGN channel using such an energy harvesting sensor node. An important part of this work involves appropriate modeling of the energy harvesting, as done via various practical architectures. Our main result is the characterization of the Shannon capacity of the communication system. The key technical challenge involves dealing with the dynamic (and stochastic) nat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.3177","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":"2026-05-18T03:38:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oQ2fR9kr9oCHiIRw0yyRheWwXCIhMIlZUbJvVyimcvLqXrsf7YPqmt3Tk6PuwzF3A7JIVpD4SHN8Et8enlaAAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T17:14:18.752427Z"},"content_sha256":"3207cd93eb5bd515dcbc567834102c0853cc00f5c8a024e313e49efd4510297e","schema_version":"1.0","event_id":"sha256:3207cd93eb5bd515dcbc567834102c0853cc00f5c8a024e313e49efd4510297e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XQPNLNSQP3VUE53KTZHEZRYOPU/bundle.json","state_url":"https://pith.science/pith/XQPNLNSQP3VUE53KTZHEZRYOPU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XQPNLNSQP3VUE53KTZHEZRYOPU/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":"2026-06-23T17:14:18Z","links":{"resolver":"https://pith.science/pith/XQPNLNSQP3VUE53KTZHEZRYOPU","bundle":"https://pith.science/pith/XQPNLNSQP3VUE53KTZHEZRYOPU/bundle.json","state":"https://pith.science/pith/XQPNLNSQP3VUE53KTZHEZRYOPU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XQPNLNSQP3VUE53KTZHEZRYOPU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:XQPNLNSQP3VUE53KTZHEZRYOPU","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":"bbd61c1995f3a2d9acd9d1c0471649f29c3fda245df3505270fd9d7a6e2e08ec","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2012-12-13T13:54:50Z","title_canon_sha256":"900a94e68d23d16544ed031d51852ca82986c0f20c8d6ba11999c118038597f7"},"schema_version":"1.0","source":{"id":"1212.3177","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.3177","created_at":"2026-05-18T03:38:33Z"},{"alias_kind":"arxiv_version","alias_value":"1212.3177v1","created_at":"2026-05-18T03:38:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.3177","created_at":"2026-05-18T03:38:33Z"},{"alias_kind":"pith_short_12","alias_value":"XQPNLNSQP3VU","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_16","alias_value":"XQPNLNSQP3VUE53K","created_at":"2026-05-18T12:27:27Z"},{"alias_kind":"pith_short_8","alias_value":"XQPNLNSQ","created_at":"2026-05-18T12:27:27Z"}],"graph_snapshots":[{"event_id":"sha256:3207cd93eb5bd515dcbc567834102c0853cc00f5c8a024e313e49efd4510297e","target":"graph","created_at":"2026-05-18T03:38:33Z","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":"Energy harvesting sensor nodes are gaining popularity due to their ability to improve the network life time and are becoming a preferred choice supporting 'green communication'. In this paper we focus on communicating reliably over an AWGN channel using such an energy harvesting sensor node. An important part of this work involves appropriate modeling of the energy harvesting, as done via various practical architectures. Our main result is the characterization of the Shannon capacity of the communication system. The key technical challenge involves dealing with the dynamic (and stochastic) nat","authors_text":"Pramod Viswanath, Rajesh Ramachandran, Vinod Sharma","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2012-12-13T13:54:50Z","title":"Information Capacity of an Energy Harvesting Sensor Node"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.3177","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:e9001f42105c58c6713ac33578e35cc9347eca2bcdb53ff69c711f12ac4de0a3","target":"record","created_at":"2026-05-18T03:38:33Z","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":"bbd61c1995f3a2d9acd9d1c0471649f29c3fda245df3505270fd9d7a6e2e08ec","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2012-12-13T13:54:50Z","title_canon_sha256":"900a94e68d23d16544ed031d51852ca82986c0f20c8d6ba11999c118038597f7"},"schema_version":"1.0","source":{"id":"1212.3177","kind":"arxiv","version":1}},"canonical_sha256":"bc1ed5b6507eeb42776a9e4e4cc70e7d150348a3d36ab1e364df3f377cc2f924","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bc1ed5b6507eeb42776a9e4e4cc70e7d150348a3d36ab1e364df3f377cc2f924","first_computed_at":"2026-05-18T03:38:33.616076Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:38:33.616076Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bxR22BJqI25EcorYgYMTiJh7eeEBbPb+2PMan5LMgHwbg7dk1YuPdHOvIAnRHaIShLNe8F7S6Ycsdt6984s1Aw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:38:33.616678Z","signed_message":"canonical_sha256_bytes"},"source_id":"1212.3177","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e9001f42105c58c6713ac33578e35cc9347eca2bcdb53ff69c711f12ac4de0a3","sha256:3207cd93eb5bd515dcbc567834102c0853cc00f5c8a024e313e49efd4510297e"],"state_sha256":"ec54f1de89b5b154b4304316cb6c4cd83a5258c0284ba66ab3236e60a2922093"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QSGeESjjD1gN4YgjJq/6kKj8VLz10vSd/L/lJoSwnfikPmOzft0qcLIFKUGTdHGfr4oHYq9hS7wr7Asei/f+BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-23T17:14:18.754921Z","bundle_sha256":"dc8ef5ffa08ef6c436ebe57aad9d217d02aab2ce1f145b002c6662f5246f8380"}}