Pith Number

pith:25XHGOSY

pith:2013:25XHGOSYAHXUIWQ2YWAQWIQ43C

not attested not anchored not stored refs pending

Chiron: A Set Theory with Types, Undefinedness, Quotation, and Evaluation

William M. Farmer

arxiv:1305.6206 v1 · 2013-05-27 · 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{25XHGOSYAHXUIWQ2YWAQWIQ43C}

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	2026-05-18T03:24:51.932545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d76e733a5801ef445a1ac5810b221cd89b5a65340ff65f7817360036847bd3eb

Aliases

arxiv: 1305.6206 · arxiv_version: 1305.6206v1 · doi: 10.48550/arxiv.1305.6206 · pith_short_12: 25XHGOSYAHXU · pith_short_16: 25XHGOSYAHXUIWQ2 · pith_short_8: 25XHGOSY

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/25XHGOSYAHXUIWQ2YWAQWIQ43C \
  | 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: d76e733a5801ef445a1ac5810b221cd89b5a65340ff65f7817360036847bd3eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76c81e838d60ad901774e4da1665aa5f1fe7afe7984600e7d7d6b589dab23517",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2013-05-27T13:16:56Z",
    "title_canon_sha256": "a8b8d6bfaa9a1211bf2b8b2eb15fe648b5dbacea5f602a0afb71a7a5e7793c11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.6206",
    "kind": "arxiv",
    "version": 1
  }
}