Pith Number

pith:RBKF4GBX

pith:2005:RBKF4GBXS7ZZ4NXEYZYZPVLJAP

not attested not anchored not stored refs pending

On Coding for Reliable Communication over Packet Networks

Desmond S. Lun, Michelle Effros, Muriel Medard, Ralf Koetter

arxiv:cs/0510070 v3 · 2005-10-23 · cs.IT · cs.NI · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RBKF4GBXS7ZZ4NXEYZYZPVLJAP}

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	2026-07-04T15:10:44.486022Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88545e183797f39e36e4c67197d56903c71feb7ad85e02beb6ea4d60f597c81a

Aliases

arxiv: cs/0510070 · arxiv_version: cs/0510070v3 · doi: 10.48550/arxiv.cs/0510070 · pith_short_12: RBKF4GBXS7ZZ · pith_short_16: RBKF4GBXS7ZZ4NXE · pith_short_8: RBKF4GBX

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/RBKF4GBXS7ZZ4NXEYZYZPVLJAP \
  | 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: 88545e183797f39e36e4c67197d56903c71feb7ad85e02beb6ea4d60f597c81a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7324dc74a570f4886b66230d51b5f117386e32422f507739a2eeafe7b099e91",
    "cross_cats_sorted": [
      "cs.NI",
      "math.IT"
    ],
    "license": "",
    "primary_cat": "cs.IT",
    "submitted_at": "2005-10-23T22:42:43Z",
    "title_canon_sha256": "6bd7a3535e9fce84e0f9dc72518aa734087ec8ee2ff0c6639d560c84ce0317c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0510070",
    "kind": "arxiv",
    "version": 3
  }
}