Pith Number

pith:ULX3DP7I

pith:2011:ULX3DP7IQ3VVJ2MZO5GOW3CSVK

not attested not anchored not stored refs pending

Around Dot-depth One

Alexander Lauser, Manfred Kufleitner

arxiv:1103.1353 v1 · 2011-03-07 · cs.FL · cs.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{ULX3DP7IQ3VVJ2MZO5GOW3CSVK}

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	2026-05-18T02:22:30.825397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2efb1bfe886eb54e999774ceb6c52aab8846f0b0ec6f715ca4d4185f48561ca

Aliases

arxiv: 1103.1353 · arxiv_version: 1103.1353v1 · doi: 10.48550/arxiv.1103.1353 · pith_short_12: ULX3DP7IQ3VV · pith_short_16: ULX3DP7IQ3VVJ2MZ · pith_short_8: ULX3DP7I

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/ULX3DP7IQ3VVJ2MZO5GOW3CSVK \
  | 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: a2efb1bfe886eb54e999774ceb6c52aab8846f0b0ec6f715ca4d4185f48561ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05765377deb560b63ce6d22a37be975a97f9114784c460739104f58ee056f9fc",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2011-03-07T19:45:33Z",
    "title_canon_sha256": "0a1ba8438287e99aa796a8184a8a8d87e352ae8d3f348eaf2f0fcb1ac0f0a96d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.1353",
    "kind": "arxiv",
    "version": 1
  }
}