Pith Number

pith:P6QZW76S

pith:2012:P6QZW76SJWPHXL3CSDRI46VWVU

not attested not anchored not stored refs pending

Expansion for Universal Quantifiers

J. B. Wells, Sergue\"i Lenglet

arxiv:1201.1101 v1 · 2012-01-05 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P6QZW76SJWPHXL3CSDRI46VWVU}

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	2026-05-18T04:05:06.155254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fa19b7fd24d9e7baf6290e28e7ab6ad3dda984bbe992d938586b488a8544f6d

Aliases

arxiv: 1201.1101 · arxiv_version: 1201.1101v1 · doi: 10.48550/arxiv.1201.1101 · pith_short_12: P6QZW76SJWPH · pith_short_16: P6QZW76SJWPHXL3C · pith_short_8: P6QZW76S

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/P6QZW76SJWPHXL3CSDRI46VWVU \
  | 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: 7fa19b7fd24d9e7baf6290e28e7ab6ad3dda984bbe992d938586b488a8544f6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c43d32baf09609013aa8ea94b609f9ec4a2e857c3005b67c686ced8e3007789",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2012-01-05T10:11:52Z",
    "title_canon_sha256": "d1c0d7a220aa8ada4c16e355ae0d2e5640640740a62e6e0d0ae980605c3df9a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.1101",
    "kind": "arxiv",
    "version": 1
  }
}