Pith Number

pith:J637DVY4

pith:2011:J637DVY4FZWR6DXSR5UCZC2A6X

not attested not anchored not stored refs pending

Large Formal Wikis: Issues and Solutions

Jesse Alama, Josef Urban, Kasper Brink, Lionel Mamane

arxiv:1107.3209 v1 · 2011-07-16 · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J637DVY4FZWR6DXSR5UCZC2A6X}

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	2026-05-18T04:16:53.196099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fb7f1d71c2e6d1f0ef28f682c8b40f5f921a95013f33253ad034b8fcc6ca3a5

Aliases

arxiv: 1107.3209 · arxiv_version: 1107.3209v1 · doi: 10.48550/arxiv.1107.3209 · pith_short_12: J637DVY4FZWR · pith_short_16: J637DVY4FZWR6DXS · pith_short_8: J637DVY4

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/J637DVY4FZWR6DXSR5UCZC2A6X \
  | 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: 4fb7f1d71c2e6d1f0ef28f682c8b40f5f921a95013f33253ad034b8fcc6ca3a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e448424d1bc661ceb5f308ec394d25db34b9adebd41aa5016ccfaa9e75547fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2011-07-16T08:46:47Z",
    "title_canon_sha256": "c0bc1dea6f2bb527fa58b655b6b0a5933411a28f14374204110d5113749a2fb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.3209",
    "kind": "arxiv",
    "version": 1
  }
}