Pith Number

pith:OZT6KB2E

pith:2014:OZT6KB2EHHU4XSDUQMRGPVFOAX

not attested not anchored not stored refs pending

Short lists with short programs for functions

Nikolay Vereshchagin

arxiv:1409.5906 v3 · 2014-09-20 · 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{OZT6KB2EHHU4XSDUQMRGPVFOAX}

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	2026-05-18T02:38:38.651624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7667e5074439e9cbc874832267d4ae05f9affd28ac5a1bc60e5fca1842bc38c4

Aliases

arxiv: 1409.5906 · arxiv_version: 1409.5906v3 · doi: 10.48550/arxiv.1409.5906 · pith_short_12: OZT6KB2EHHU4 · pith_short_16: OZT6KB2EHHU4XSDU · pith_short_8: OZT6KB2E

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/OZT6KB2EHHU4XSDUQMRGPVFOAX \
  | 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: 7667e5074439e9cbc874832267d4ae05f9affd28ac5a1bc60e5fca1842bc38c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0999cc9e916500f86f8b97a62e0682576aa579cc8f6a17c2b57c11c912738cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2014-09-20T17:28:49Z",
    "title_canon_sha256": "cb9d09861753413e6e55b8118d21ad77ea84457f433a869baca74aeacbc4b6b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.5906",
    "kind": "arxiv",
    "version": 3
  }
}