Pith Number

pith:PDWEQG3M

pith:2008:PDWEQG3M2TRXEN2V6JWLI47ERC

not attested not anchored not stored refs pending

Lightweight Security for Network Coding

Joao Barros, Joao P. Vilela, Luisa Lima

arxiv:0807.0610 v1 · 2008-07-03 · cs.CR · cs.NI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PDWEQG3M2TRXEN2V6JWLI47ERC}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:58:25.522041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78ec481b6cd4e3723755f26cb473e488a38182f78048e0daf0c4bd728f458e8e

Aliases

arxiv: 0807.0610 · arxiv_version: 0807.0610v1 · doi: 10.48550/arxiv.0807.0610 · pith_short_12: PDWEQG3M2TRX · pith_short_16: PDWEQG3M2TRXEN2V · pith_short_8: PDWEQG3M

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/PDWEQG3M2TRXEN2V6JWLI47ERC \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 78ec481b6cd4e3723755f26cb473e488a38182f78048e0daf0c4bd728f458e8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a00ce3846eb18ae81d5df90316c1136760186029c372ce527f8ff353f070372",
    "cross_cats_sorted": [
      "cs.NI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2008-07-03T18:21:29Z",
    "title_canon_sha256": "9ed71e4c95d9a47cba3aa2d0341433a6f04ebca1e5d85df4374acd6fcce66cf0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.0610",
    "kind": "arxiv",
    "version": 1
  }
}