Pith Number

pith:E4OXFXSO

pith:2014:E4OXFXSODFD2OB6VG2XSARU2BI

not attested not anchored not stored refs pending

Trakhtenbrot theorem and first-order axiomatic extensions of MTL

Matteo Bianchi

arxiv:1403.0812 v3 · 2014-03-04 · 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{E4OXFXSODFD2OB6VG2XSARU2BI}

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	2026-05-18T02:48:02.164362Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

271d72de4e1947a707d536af20469a0a003b917af10774d878043a9985d4846a

Aliases

arxiv: 1403.0812 · arxiv_version: 1403.0812v3 · doi: 10.48550/arxiv.1403.0812 · pith_short_12: E4OXFXSODFD2 · pith_short_16: E4OXFXSODFD2OB6V · pith_short_8: E4OXFXSO

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/E4OXFXSODFD2OB6VG2XSARU2BI \
  | 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: 271d72de4e1947a707d536af20469a0a003b917af10774d878043a9985d4846a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86671650080fffa216a794e68eb0a0672d9e875343cfd4b9d05f2aac79e3c449",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2014-03-04T15:25:34Z",
    "title_canon_sha256": "3755e8dcdb316fae25135cb5cd5ec199997f60d6444d86c2ad3bc5deed0a361e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.0812",
    "kind": "arxiv",
    "version": 3
  }
}