Pith Number

pith:FTTLZRHE

pith:2011:FTTLZRHENH3JUDFKUTAXUYDFNI

not attested not anchored not stored refs pending

Ample thoughts

Daniel Palacin (ICJ), Frank Olaf Wagner (ICJ)

arxiv:1104.0179 v5 · 2011-04-01 · 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{FTTLZRHENH3JUDFKUTAXUYDFNI}

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	2026-05-18T03:20:18.979207Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ce6bcc4e469f69a0caaa4c17a60656a3729ffd73209d20327e96d0271b19f42

Aliases

arxiv: 1104.0179 · arxiv_version: 1104.0179v5 · doi: 10.48550/arxiv.1104.0179 · pith_short_12: FTTLZRHENH3J · pith_short_16: FTTLZRHENH3JUDFK · pith_short_8: FTTLZRHE

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/FTTLZRHENH3JUDFKUTAXUYDFNI \
  | 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: 2ce6bcc4e469f69a0caaa4c17a60656a3729ffd73209d20327e96d0271b19f42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4c23cefdcb3272c298930cc2cfa748f9dff018d95d3842c75d466829bdfaa70",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2011-04-01T14:16:59Z",
    "title_canon_sha256": "8d2a9026ba14b9ef880d6def4f87ddbd9382a7e13941313283c90b167c4bce37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.0179",
    "kind": "arxiv",
    "version": 5
  }
}