Pith Number

pith:XVWDTEX2

pith:2011:XVWDTEX2E4UD7Q66VI7VMDTCQJ

not attested not anchored not stored refs pending

Definability of types over finite partial order indiscernibles

Vincent Guingona

arxiv:1108.2499 v1 · 2011-08-11 · 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{XVWDTEX2E4UD7Q66VI7VMDTCQJ}

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	2026-05-18T04:15:37.569234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd6c3992fa27283fc3deaa3f560e62826f088f1a7d0548b09bad299369ca6481

Aliases

arxiv: 1108.2499 · arxiv_version: 1108.2499v1 · doi: 10.48550/arxiv.1108.2499 · pith_short_12: XVWDTEX2E4UD · pith_short_16: XVWDTEX2E4UD7Q66 · pith_short_8: XVWDTEX2

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/XVWDTEX2E4UD7Q66VI7VMDTCQJ \
  | 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: bd6c3992fa27283fc3deaa3f560e62826f088f1a7d0548b09bad299369ca6481

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e64853550bbf36a6d43de4f22c960686fca2474ece5f53ba5b50da95f1b3a324",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2011-08-11T19:39:00Z",
    "title_canon_sha256": "2bc6b7570d16eced8750456cb74805680cb26ea3f99f2d603f9878ca8c986ed7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.2499",
    "kind": "arxiv",
    "version": 1
  }
}