Pith Number

pith:XMNGC4D6

pith:2018:XMNGC4D66YC6SDANY4F76KPPHE

not attested not anchored not stored refs pending

An example of a new simple theory

M. Malliaris, S. Shelah

arxiv:1804.03254 v2 · 2018-04-09 · 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{XMNGC4D66YC6SDANY4F76KPPHE}

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	2026-05-17T23:39:32.387749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb1a61707ef605e90c0dc70bff29ef3912a5912c4fed4660734fe4efc4334542

Aliases

arxiv: 1804.03254 · arxiv_version: 1804.03254v2 · doi: 10.48550/arxiv.1804.03254 · pith_short_12: XMNGC4D66YC6 · pith_short_16: XMNGC4D66YC6SDAN · pith_short_8: XMNGC4D6

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/XMNGC4D66YC6SDANY4F76KPPHE \
  | 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: bb1a61707ef605e90c0dc70bff29ef3912a5912c4fed4660734fe4efc4334542

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f66e9d701925c11da7c847b11c479c7585750640e09056cca21f712205395831",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-04-09T22:03:49Z",
    "title_canon_sha256": "92138c48b771a44387a91f22a8237b33fd015c2923056ce361f21646d419a759"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.03254",
    "kind": "arxiv",
    "version": 2
  }
}