Pith Number

pith:Z6GL2C5P

pith:2012:Z6GL2C5P4TRVQ2CUCXQC25KELI

not attested not anchored not stored refs pending

Omitting uncountable types, and the strength of $[0,1]$-valued logics

Jos\'e Iovino, Xavier Caicedo

arxiv:1202.5981 v1 · 2012-02-27 · 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{Z6GL2C5P4TRVQ2CUCXQC25KELI}

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	2026-05-18T04:01:24.162631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf8cbd0bafe4e358685415e02d75445a2c861a1a317e59c3ebb4b3aa8ca2c0b2

Aliases

arxiv: 1202.5981 · arxiv_version: 1202.5981v1 · doi: 10.48550/arxiv.1202.5981 · pith_short_12: Z6GL2C5P4TRV · pith_short_16: Z6GL2C5P4TRVQ2CU · pith_short_8: Z6GL2C5P

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/Z6GL2C5P4TRVQ2CUCXQC25KELI \
  | 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: cf8cbd0bafe4e358685415e02d75445a2c861a1a317e59c3ebb4b3aa8ca2c0b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59414c85f7e1985554f3a85d17dd7573e13095efed85883128c8e41ffa2e1bf2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2012-02-27T15:55:51Z",
    "title_canon_sha256": "2ab1c545dbe0ddeaa38802c9e46e92c9d2052889acbb5d7abbadcce3e6ebe587"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.5981",
    "kind": "arxiv",
    "version": 1
  }
}