Pith Number

pith:WTLABBF4

pith:2012:WTLABBF4TWSTEEZZHUHNPJLHIA

not attested not anchored not stored refs pending

Plus ultra

Frank Olaf Wagner (ICJ)

arxiv:1201.1114 v4 · 2012-01-05 · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WTLABBF4TWSTEEZZHUHNPJLHIA}

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	2026-05-18T02:55:57.675848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4d60084bc9da53213393d0ed7a5674031e022ca3887f23cd257b994ec5261be

Aliases

arxiv: 1201.1114 · arxiv_version: 1201.1114v4 · doi: 10.48550/arxiv.1201.1114 · pith_short_12: WTLABBF4TWST · pith_short_16: WTLABBF4TWSTEEZZ · pith_short_8: WTLABBF4

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/WTLABBF4TWSTEEZZHUHNPJLHIA \
  | 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: b4d60084bc9da53213393d0ed7a5674031e022ca3887f23cd257b994ec5261be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f8c147896ddd145fc00985c4b0980a0632d77fb9bded723f113932e31d7477e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2012-01-05T10:53:50Z",
    "title_canon_sha256": "73ea5499ca942de1ae0def015ca94438f55557a743ca34844c79d9d20ccf26b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.1114",
    "kind": "arxiv",
    "version": 4
  }
}