Pith Number

pith:L463H3YR

pith:2014:L463H3YRQHONPNKSMSIVUQ33TS

not attested not anchored not stored refs pending

Group homomorphisms as error correcting codes

Alan Guo

arxiv:1404.3447 v1 · 2014-04-14 · cs.IT · math.GR · 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{L463H3YRQHONPNKSMSIVUQ33TS}

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	2026-05-18T02:54:15.168760Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f3db3ef1181dcd7b55264915a437b9ca4d3a2137dc8356fcc9408e4ca407827

Aliases

arxiv: 1404.3447 · arxiv_version: 1404.3447v1 · doi: 10.48550/arxiv.1404.3447 · pith_short_12: L463H3YRQHON · pith_short_16: L463H3YRQHONPNKS · pith_short_8: L463H3YR

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/L463H3YRQHONPNKSMSIVUQ33TS \
  | 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: 5f3db3ef1181dcd7b55264915a437b9ca4d3a2137dc8356fcc9408e4ca407827

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c92fcadc83b37708d9173ca4139c62608bd6a3c8808f79917fa55264178c4c3",
    "cross_cats_sorted": [
      "math.GR",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-04-14T01:45:15Z",
    "title_canon_sha256": "311555a38281e5433c322ebe32c6eb833f9d150b18fb39406d6ead10f5b9eda1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.3447",
    "kind": "arxiv",
    "version": 1
  }
}