Pith Number

pith:UFNDWKAX

pith:2013:UFNDWKAXC27P6S7HCEGJE2GEGK

not attested not anchored not stored refs pending

Is Non-Unique Decoding Necessary?

Shirin Saeedi Bidokhti, Vinod M. Prabhakaran

arxiv:1312.4378 v2 · 2013-12-16 · 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{UFNDWKAXC27P6S7HCEGJE2GEGK}

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	2026-05-18T02:56:12.465751Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a15a3b281716beff4be7110c9268c432b8116f02429f3100873fe0f66068ee76

Aliases

arxiv: 1312.4378 · arxiv_version: 1312.4378v2 · doi: 10.48550/arxiv.1312.4378 · pith_short_12: UFNDWKAXC27P · pith_short_16: UFNDWKAXC27P6S7H · pith_short_8: UFNDWKAX

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/UFNDWKAXC27P6S7HCEGJE2GEGK \
  | 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: a15a3b281716beff4be7110c9268c432b8116f02429f3100873fe0f66068ee76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c801df001a5a673853dd0f24fa2fcd330fa0344118b3054963d92de6e26de62d",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-12-16T14:36:36Z",
    "title_canon_sha256": "f5b7f5828bce986e3274d60d9838bceff92f21f60bfca4ec807cbde867c55223"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.4378",
    "kind": "arxiv",
    "version": 2
  }
}