Pith Number

pith:LTH3Y5B3

pith:2012:LTH3Y5B3DRFJ377GMU7OYD4TAB

not attested not anchored not stored refs pending

Feng-Rao decoding of primary codes

Diego Ruano, Olav Geil, Ryutaroh Matsumoto

arxiv:1210.6722 v3 · 2012-10-25 · 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{LTH3Y5B3DRFJ377GMU7OYD4TAB}

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	2026-05-18T03:27:32.526822Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ccfbc743b1c4a9dffe6653eec0f930045100d9f649dd6ca05f88a3b479ce090

Aliases

arxiv: 1210.6722 · arxiv_version: 1210.6722v3 · doi: 10.48550/arxiv.1210.6722 · pith_short_12: LTH3Y5B3DRFJ · pith_short_16: LTH3Y5B3DRFJ377G · pith_short_8: LTH3Y5B3

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/LTH3Y5B3DRFJ377GMU7OYD4TAB \
  | 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: 5ccfbc743b1c4a9dffe6653eec0f930045100d9f649dd6ca05f88a3b479ce090

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40625455eec90ac3536db8386f58a2cdae9016385dc3d6f512d913380006216e",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-10-25T01:44:36Z",
    "title_canon_sha256": "45d274364054aef8401bfd4eac0178d7ab6eab758d288da04d0023db3145e309"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.6722",
    "kind": "arxiv",
    "version": 3
  }
}