Pith Number

pith:ZVPORS4Y

pith:2006:ZVPORS4YD3S6U76DMWGK4F5CYS

not attested not anchored not stored refs pending

On the Optimality of the ARQ-DDF Protocol

Hesham El Gamal, Kambiz Azarian, Philip Schniter

arxiv:cs/0602048 v1 · 2006-02-13 · cs.IT · 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{ZVPORS4YD3S6U76DMWGK4F5CYS}

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	2026-07-04T15:03:01.099129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd5ee8cb981ee5ea7fc3658cae17a2c49e8b29057df1387440d74ae99cc71bbd

Aliases

arxiv: cs/0602048 · arxiv_version: cs/0602048v1 · doi: 10.48550/arxiv.cs/0602048 · pith_short_12: ZVPORS4YD3S6 · pith_short_16: ZVPORS4YD3S6U76D · pith_short_8: ZVPORS4Y

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/ZVPORS4YD3S6U76DMWGK4F5CYS \
  | 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: cd5ee8cb981ee5ea7fc3658cae17a2c49e8b29057df1387440d74ae99cc71bbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b23420af8bc43d7164b47a9229398de9fb4305735b9ac53f2c0122e64b3094a4",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "",
    "primary_cat": "cs.IT",
    "submitted_at": "2006-02-13T18:53:06Z",
    "title_canon_sha256": "992f88c841eb2e7325c1225b4ad8ad12f2516612cf2e98a4e2da84ceda1a7be6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0602048",
    "kind": "arxiv",
    "version": 1
  }
}