Pith Number

pith:YS54VNEE

pith:2019:YS54VNEE4XA77LVAYBUZD5ELVF

not attested not anchored not stored refs pending

Near actions

Yves Cornulier

arxiv:1901.05065 v1 · 2019-01-14 · math.GR · math.DS · math.LO · math.MG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YS54VNEE4XA77LVAYBUZD5ELVF}

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	2026-05-17T23:56:12.050599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4bbcab484e5c1ffaea0c06991f48ba96fd7fa7b95de2c74c0a71b561900d11c

Aliases

arxiv: 1901.05065 · arxiv_version: 1901.05065v1 · doi: 10.48550/arxiv.1901.05065 · pith_short_12: YS54VNEE4XA7 · pith_short_16: YS54VNEE4XA77LVA · pith_short_8: YS54VNEE

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/YS54VNEE4XA77LVAYBUZD5ELVF \
  | 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: c4bbcab484e5c1ffaea0c06991f48ba96fd7fa7b95de2c74c0a71b561900d11c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4553a573222ffd2c087ca5c49a89191c6aec0ed26b827937fbeea5baae0c0281",
    "cross_cats_sorted": [
      "math.DS",
      "math.LO",
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2019-01-14T18:42:37Z",
    "title_canon_sha256": "433da48d738bcf5574b7af44d1fe1bed1831089424263a524fc89abab942809b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.05065",
    "kind": "arxiv",
    "version": 1
  }
}