Pith Number

pith:UZOMTLBK

pith:2015:UZOMTLBKOOHPBCFST6G7S3XVXK

not attested not anchored not stored refs pending

Deciding absorption

Alexandr Kazda, Libor Barto

arxiv:1512.07009 v1 · 2015-12-22 · math.RA · cs.CC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UZOMTLBKOOHPBCFST6G7S3XVXK}

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	2026-05-18T01:23:53.131490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a65cc9ac2a738ef088b29f8df96ef5ba978a94a0f152f8ecec93c9c53a274de7

Aliases

arxiv: 1512.07009 · arxiv_version: 1512.07009v1 · doi: 10.48550/arxiv.1512.07009 · pith_short_12: UZOMTLBKOOHP · pith_short_16: UZOMTLBKOOHPBCFS · pith_short_8: UZOMTLBK

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/UZOMTLBKOOHPBCFST6G7S3XVXK \
  | 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: a65cc9ac2a738ef088b29f8df96ef5ba978a94a0f152f8ecec93c9c53a274de7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82f2d8420f9eaf644ad14739f36d4022791df480861d78124edf081a938e3ab8",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2015-12-22T10:00:47Z",
    "title_canon_sha256": "7cf2bb5025d6205189f18c4df923686f05046f0ed94f1e8f1c9ccb5bf61427ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.07009",
    "kind": "arxiv",
    "version": 1
  }
}