Pith Number

pith:CZWXL4HX

pith:2014:CZWXL4HX77T2VJAMA4TW3TD22H

not attested not anchored not stored refs pending

On Pocrims and Hoops

Paulo Oliva, Rob Arthan

arxiv:1404.0816 v2 · 2014-04-03 · math.LO · cs.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{CZWXL4HX77T2VJAMA4TW3TD22H}

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	2026-05-18T02:40:01.948333Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

166d75f0f7ffe7aaa40c07276dcc7ad1e41b4c2e0b80f0d7aa0474c954a1e38b

Aliases

arxiv: 1404.0816 · arxiv_version: 1404.0816v2 · doi: 10.48550/arxiv.1404.0816 · pith_short_12: CZWXL4HX77T2 · pith_short_16: CZWXL4HX77T2VJAM · pith_short_8: CZWXL4HX

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/CZWXL4HX77T2VJAMA4TW3TD22H \
  | 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: 166d75f0f7ffe7aaa40c07276dcc7ad1e41b4c2e0b80f0d7aa0474c954a1e38b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1e03040051d5f87da877e2c93a78df3e1610ac7135f36ed0052ac457ab7078f",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2014-04-03T09:35:42Z",
    "title_canon_sha256": "01cb168cb6ae070ea7d269d1f1a8d16e7bda63f56912498191973190e99d28a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.0816",
    "kind": "arxiv",
    "version": 2
  }
}