Pith Number

pith:2V23463U

pith:2012:2V23463UDAV7TFLEIRWCKKZH6Z

not attested not anchored not stored refs pending

A Guide to NIP theories

Pierre Simon

arxiv:1208.3944 v3 · 2012-08-20 · 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{2V23463UDAV7TFLEIRWCKKZH6Z}

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	2026-05-18T02:47:16.296430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d575be7b74182bf99564446c252b27f6570c6b8681581b0cb0dde682098583a9

Aliases

arxiv: 1208.3944 · arxiv_version: 1208.3944v3 · doi: 10.48550/arxiv.1208.3944 · pith_short_12: 2V23463UDAV7 · pith_short_16: 2V23463UDAV7TFLE · pith_short_8: 2V23463U

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/2V23463UDAV7TFLEIRWCKKZH6Z \
  | 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: d575be7b74182bf99564446c252b27f6570c6b8681581b0cb0dde682098583a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5e78f60b49ce0e274b31e513edcb38daf37090648ada72d82e294e159a62fea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2012-08-20T08:48:47Z",
    "title_canon_sha256": "32047b936321099b010e16a996f5ccd9c5923c33c68ea021ee3797d204ce9bb4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.3944",
    "kind": "arxiv",
    "version": 3
  }
}