Pith Number

pith:ONMCQQOY

pith:2014:ONMCQQOYG5HO74CRY5FHDU3FJL

not attested not anchored not stored refs pending

Herbrand's theorem and non-Euclidean geometry

Julien Narboux, Michael Beeson, Pierre Boutry

arxiv:1410.2239 v2 · 2014-10-07 · 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{ONMCQQOYG5HO74CRY5FHDU3FJL}

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	2026-05-18T01:27:36.737060Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73582841d8374eeff051c74a71d3654ad0d4ddfe4302ae5f1bee23216b828b26

Aliases

arxiv: 1410.2239 · arxiv_version: 1410.2239v2 · doi: 10.48550/arxiv.1410.2239 · pith_short_12: ONMCQQOYG5HO · pith_short_16: ONMCQQOYG5HO74CR · pith_short_8: ONMCQQOY

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/ONMCQQOYG5HO74CRY5FHDU3FJL \
  | 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: 73582841d8374eeff051c74a71d3654ad0d4ddfe4302ae5f1bee23216b828b26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9206252060c103f1a623123117696e61e2cabac4a77801501884dc204567f0d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2014-10-07T20:10:09Z",
    "title_canon_sha256": "8f8b5110d36c86308f56b908e91b7fb3fca42b32e328ae421c800017d083a182"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.2239",
    "kind": "arxiv",
    "version": 2
  }
}