Pith Number

pith:XQ2IELN2

pith:2018:XQ2IELN2CAEUZ7FVHY2TK2LE5E

not attested not anchored not stored refs pending

Uniform One-Dimensional Fragment over Ordered Structures

Antti Kuusisto, Jonne Iso-Tuisku

arxiv:1812.08732 v1 · 2018-12-20 · 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{XQ2IELN2CAEUZ7FVHY2TK2LE5E}

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	2026-05-17T23:57:49.286683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc34822dba10094cfcb53e35356964e900767e90ab4c860b2dc18faa619e9577

Aliases

arxiv: 1812.08732 · arxiv_version: 1812.08732v1 · doi: 10.48550/arxiv.1812.08732 · pith_short_12: XQ2IELN2CAEU · pith_short_16: XQ2IELN2CAEUZ7FV · pith_short_8: XQ2IELN2

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/XQ2IELN2CAEUZ7FVHY2TK2LE5E \
  | 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: bc34822dba10094cfcb53e35356964e900767e90ab4c860b2dc18faa619e9577

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "045430a150191c4c9bba5dac7c0a8a5bd77587f00a40bcfb12818fd2a06ce029",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-12-20T18:04:40Z",
    "title_canon_sha256": "c9297c703a4ffdc4cb32692a72cd2ee67fccf06bd95763aa145740608fa34ba8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.08732",
    "kind": "arxiv",
    "version": 1
  }
}