Pith Number

pith:HJVZVQ72

pith:2021:HJVZVQ72YUSTKVLLHXP576RO3Z

not attested not anchored not stored refs pending

Provably efficient, succinct, and precise explanations

Guy Blanc, Jane Lange, Li-Yang Tan

arxiv:2111.01576 v1 · 2021-11-01 · cs.LG · cs.CC · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HJVZVQ72YUSTKVLLHXP576RO3Z}

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	2026-07-05T03:28:30.396357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a6b9ac3fac52535556b3ddfdffa2ede5ed1161b254562a66b36eeb73438e936

Aliases

arxiv: 2111.01576 · arxiv_version: 2111.01576v1 · doi: 10.48550/arxiv.2111.01576 · pith_short_12: HJVZVQ72YUST · pith_short_16: HJVZVQ72YUSTKVLL · pith_short_8: HJVZVQ72

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/HJVZVQ72YUSTKVLLHXP576RO3Z \
  | 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: 3a6b9ac3fac52535556b3ddfdffa2ede5ed1161b254562a66b36eeb73438e936

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21125a75e4f4598d23ceb4b72f199e285a9954239d88aa30d3e5a50e02663997",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-11-01T17:35:10Z",
    "title_canon_sha256": "242658f3c785c4a4e7d719c428e609490653ec00a3c2c5391c28e053ce6ba4b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.01576",
    "kind": "arxiv",
    "version": 1
  }
}