Pith Number

pith:TPDWGXET

pith:2015:TPDWGXET5E3UEW6PR7Q5HDQD2Q

not attested not anchored not stored refs pending

Rank error-correcting pairs

Ruud Pellikaan, Umberto Mart\'inez-Pe\~nas

arxiv:1512.08144 v1 · 2015-12-26 · 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{TPDWGXET5E3UEW6PR7Q5HDQD2Q}

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	2026-05-18T01:23:43.107445Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9bc7635c93e937425bcf8fe1d38e03d41bf0a823c5cc0c77fb3bb54e39f72d02

Aliases

arxiv: 1512.08144 · arxiv_version: 1512.08144v1 · doi: 10.48550/arxiv.1512.08144 · pith_short_12: TPDWGXET5E3U · pith_short_16: TPDWGXET5E3UEW6P · pith_short_8: TPDWGXET

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/TPDWGXET5E3UEW6PR7Q5HDQD2Q \
  | 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: 9bc7635c93e937425bcf8fe1d38e03d41bf0a823c5cc0c77fb3bb54e39f72d02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c549fdd4fdcd10f47e7a657b6d28448aceba956e38a62de7ae6d48c6f2e794b1",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-12-26T20:49:19Z",
    "title_canon_sha256": "8ef4e092e9b484c47ff864aa8d748f696b7b4e8c8177580c50acb2d5abee8eb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.08144",
    "kind": "arxiv",
    "version": 1
  }
}