Pith Number

pith:7L7PEG3J

pith:2021:7L7PEG3JBAH4LHV6BXMVN3EG7Z

not attested not anchored not stored refs pending

Narwhal and Tusk: A DAG-based Mempool and Efficient BFT Consensus

Alberto Sonnino, Alexander Spiegelman, Eleftherios Kokoris Kogias, George Danezis

arxiv:2105.11827 v4 · 2021-05-25 · cs.CR · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7L7PEG3JBAH4LHV6BXMVN3EG7Z}

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	2026-07-05T04:05:31.186442Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fafef21b69080fc59ebe0dd956ec86fe6a359659b6270dfbaea3141a8c6bf6bc

Aliases

arxiv: 2105.11827 · arxiv_version: 2105.11827v4 · doi: 10.48550/arxiv.2105.11827 · pith_short_12: 7L7PEG3JBAH4 · pith_short_16: 7L7PEG3JBAH4LHV6 · pith_short_8: 7L7PEG3J

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/7L7PEG3JBAH4LHV6BXMVN3EG7Z \
  | 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: fafef21b69080fc59ebe0dd956ec86fe6a359659b6270dfbaea3141a8c6bf6bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e99251c756802862e031af6439cf4018e6a398f9e475915ae85fef9ec76a040e",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2021-05-25T10:53:41Z",
    "title_canon_sha256": "f3e7cd129bdec788d8c50d7ebafe45737c037b9619fc9fbb7320c083604286a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.11827",
    "kind": "arxiv",
    "version": 4
  }
}