{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:Y4TSIFYUQGFDX5NDTQQ4QU3T5V","short_pith_number":"pith:Y4TSIFYU","canonical_record":{"source":{"id":"1307.5264","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2013-07-19T16:00:31Z","cross_cats_sorted":["cs.CY"],"title_canon_sha256":"342d5cd348746eeb88db535bdac88c3fc51cb9dfab11fc3ec3d01196d90fcca0","abstract_canon_sha256":"0a0d3d287e870e16c61acc22a6ba3747b116cc622b53e204a003f73df80273e1"},"schema_version":"1.0"},"canonical_sha256":"c727241714818a3bf5a39c21c85373ed6b31573439bdb58eaab2cb64fb24d74b","source":{"kind":"arxiv","id":"1307.5264","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.5264","created_at":"2026-05-18T03:17:24Z"},{"alias_kind":"arxiv_version","alias_value":"1307.5264v2","created_at":"2026-05-18T03:17:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.5264","created_at":"2026-05-18T03:17:24Z"},{"alias_kind":"pith_short_12","alias_value":"Y4TSIFYUQGFD","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_16","alias_value":"Y4TSIFYUQGFDX5ND","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_8","alias_value":"Y4TSIFYU","created_at":"2026-05-18T12:28:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:Y4TSIFYUQGFDX5NDTQQ4QU3T5V","target":"record","payload":{"canonical_record":{"source":{"id":"1307.5264","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2013-07-19T16:00:31Z","cross_cats_sorted":["cs.CY"],"title_canon_sha256":"342d5cd348746eeb88db535bdac88c3fc51cb9dfab11fc3ec3d01196d90fcca0","abstract_canon_sha256":"0a0d3d287e870e16c61acc22a6ba3747b116cc622b53e204a003f73df80273e1"},"schema_version":"1.0"},"canonical_sha256":"c727241714818a3bf5a39c21c85373ed6b31573439bdb58eaab2cb64fb24d74b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:17:24.074893Z","signature_b64":"VgJxXgMSzhlw5MFCyujnO/hLCqob7qqux7p9/aBEk9vXvODJ979FAvQt9mUlSA4IY30UdD+QXscRsixC61cHDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c727241714818a3bf5a39c21c85373ed6b31573439bdb58eaab2cb64fb24d74b","last_reissued_at":"2026-05-18T03:17:24.074500Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:17:24.074500Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1307.5264","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":"2026-05-18T03:17:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GLtuC+Lu+l61iQgGnt4W4y2HejCPNPwAykH6N18laW7pRn7sebkne5MBpGTL/Fzj59q/0DGSRXqR470tduqpDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T16:32:35.289501Z"},"content_sha256":"4d357da50aaa5f8d969f64a3f274359723c6ac7789c172d80a6cda28f69d6da2","schema_version":"1.0","event_id":"sha256:4d357da50aaa5f8d969f64a3f274359723c6ac7789c172d80a6cda28f69d6da2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:Y4TSIFYUQGFDX5NDTQQ4QU3T5V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the importance of Internet eXchange Points for today's Internet ecosystem","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CY"],"primary_cat":"cs.NI","authors_text":"Anja Feldmann, Georgios Smaragdakis, Nikolaos Chatzis","submitted_at":"2013-07-19T16:00:31Z","abstract_excerpt":"Internet eXchange Points (IXPs) are generally considered to be the successors of the four Network Access Points that were mandated as part of the decommissioning of the NSFNET in 1994/95 to facilitate the transition from the NSFNET to the \"public Internet\" as we know it today. While this popular view does not tell the whole story behind the early beginnings of IXPs, what is true is that since around 1994, the number of operational IXPs worldwide has grown to more than 300 (as of May 2013), with the largest IXPs handling daily traffic volumes comparable to those carried by the largest Tier-1 IS"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.5264","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":"2026-05-18T03:17:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vvXcA6AwJid5AESY8Rx4zroKC2hDga8/WGRJH4VFnFFL50evswN05/e6EuTtCBWVru3jTBOq/Uj09od8EFOqDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T16:32:35.289852Z"},"content_sha256":"b4c0c0307e3db7c4651e49ae6193bae5cf96f0f3462e407faf0fb0e96ae50161","schema_version":"1.0","event_id":"sha256:b4c0c0307e3db7c4651e49ae6193bae5cf96f0f3462e407faf0fb0e96ae50161"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Y4TSIFYUQGFDX5NDTQQ4QU3T5V/bundle.json","state_url":"https://pith.science/pith/Y4TSIFYUQGFDX5NDTQQ4QU3T5V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Y4TSIFYUQGFDX5NDTQQ4QU3T5V/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":"2026-06-26T16:32:35Z","links":{"resolver":"https://pith.science/pith/Y4TSIFYUQGFDX5NDTQQ4QU3T5V","bundle":"https://pith.science/pith/Y4TSIFYUQGFDX5NDTQQ4QU3T5V/bundle.json","state":"https://pith.science/pith/Y4TSIFYUQGFDX5NDTQQ4QU3T5V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Y4TSIFYUQGFDX5NDTQQ4QU3T5V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:Y4TSIFYUQGFDX5NDTQQ4QU3T5V","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":"0a0d3d287e870e16c61acc22a6ba3747b116cc622b53e204a003f73df80273e1","cross_cats_sorted":["cs.CY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2013-07-19T16:00:31Z","title_canon_sha256":"342d5cd348746eeb88db535bdac88c3fc51cb9dfab11fc3ec3d01196d90fcca0"},"schema_version":"1.0","source":{"id":"1307.5264","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.5264","created_at":"2026-05-18T03:17:24Z"},{"alias_kind":"arxiv_version","alias_value":"1307.5264v2","created_at":"2026-05-18T03:17:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.5264","created_at":"2026-05-18T03:17:24Z"},{"alias_kind":"pith_short_12","alias_value":"Y4TSIFYUQGFD","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_16","alias_value":"Y4TSIFYUQGFDX5ND","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_8","alias_value":"Y4TSIFYU","created_at":"2026-05-18T12:28:06Z"}],"graph_snapshots":[{"event_id":"sha256:b4c0c0307e3db7c4651e49ae6193bae5cf96f0f3462e407faf0fb0e96ae50161","target":"graph","created_at":"2026-05-18T03:17:24Z","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":"Internet eXchange Points (IXPs) are generally considered to be the successors of the four Network Access Points that were mandated as part of the decommissioning of the NSFNET in 1994/95 to facilitate the transition from the NSFNET to the \"public Internet\" as we know it today. While this popular view does not tell the whole story behind the early beginnings of IXPs, what is true is that since around 1994, the number of operational IXPs worldwide has grown to more than 300 (as of May 2013), with the largest IXPs handling daily traffic volumes comparable to those carried by the largest Tier-1 IS","authors_text":"Anja Feldmann, Georgios Smaragdakis, Nikolaos Chatzis","cross_cats":["cs.CY"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2013-07-19T16:00:31Z","title":"On the importance of Internet eXchange Points for today's Internet ecosystem"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.5264","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":"sha256:4d357da50aaa5f8d969f64a3f274359723c6ac7789c172d80a6cda28f69d6da2","target":"record","created_at":"2026-05-18T03:17:24Z","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":"0a0d3d287e870e16c61acc22a6ba3747b116cc622b53e204a003f73df80273e1","cross_cats_sorted":["cs.CY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2013-07-19T16:00:31Z","title_canon_sha256":"342d5cd348746eeb88db535bdac88c3fc51cb9dfab11fc3ec3d01196d90fcca0"},"schema_version":"1.0","source":{"id":"1307.5264","kind":"arxiv","version":2}},"canonical_sha256":"c727241714818a3bf5a39c21c85373ed6b31573439bdb58eaab2cb64fb24d74b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c727241714818a3bf5a39c21c85373ed6b31573439bdb58eaab2cb64fb24d74b","first_computed_at":"2026-05-18T03:17:24.074500Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:17:24.074500Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VgJxXgMSzhlw5MFCyujnO/hLCqob7qqux7p9/aBEk9vXvODJ979FAvQt9mUlSA4IY30UdD+QXscRsixC61cHDA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:17:24.074893Z","signed_message":"canonical_sha256_bytes"},"source_id":"1307.5264","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4d357da50aaa5f8d969f64a3f274359723c6ac7789c172d80a6cda28f69d6da2","sha256:b4c0c0307e3db7c4651e49ae6193bae5cf96f0f3462e407faf0fb0e96ae50161"],"state_sha256":"482c0f2281d1378a329ba4bbeded90079f6513c5f1403b2aeecf470a75057c53"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mZoCB1gSCosV081yaeUG505Hub7R186FKGQgtExtlTp4hImDNHeBnK63jf/Z6E//XuQMNilz+wmcG/dTxGKaDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-26T16:32:35.291841Z","bundle_sha256":"74dc173c590c0857825755c70c36552e304c53c462a3c8b950f5dfe9d872a4a8"}}