Pith Number

pith:7IHU654P

pith:2014:7IHU654PS7SNRVHYTXANCIGH43

not attested not anchored not stored refs pending

The Certification Problem Format

Austria), Christian Sternagel (University of Innsbruck, Ren\'e Thiemann (University of Innsbruck

arxiv:1410.8220 v1 · 2014-10-30 · 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{7IHU654PS7SNRVHYTXANCIGH43}

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	2026-05-18T02:39:00.333892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa0f4f778f97e4d8d4f89dc0d120c7e6d8eac9a28f64c0f64519aad16796b45b

Aliases

arxiv: 1410.8220 · arxiv_version: 1410.8220v1 · doi: 10.48550/arxiv.1410.8220 · pith_short_12: 7IHU654PS7SN · pith_short_16: 7IHU654PS7SNRVHY · pith_short_8: 7IHU654P

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/7IHU654PS7SNRVHYTXANCIGH43 \
  | 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: fa0f4f778f97e4d8d4f89dc0d120c7e6d8eac9a28f64c0f64519aad16796b45b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e100103740ccb90af52435e18cded02081f1c74d583956bb7222d6548d29271c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2014-10-30T01:08:09Z",
    "title_canon_sha256": "ffb10202f851067a3a49ea3678e245949c59f7e5309ad1ba53f38345094dc76d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.8220",
    "kind": "arxiv",
    "version": 1
  }
}