Pith Number

pith:QV57F5I3

pith:2023:QV57F5I3ACY2Q3JBGLQAKAZVUS

not attested not anchored not stored refs pending

Cuttlefish: Expressive Fast Path Blockchains with FastUnlock

Alberto Sonnino, George Danezis, Lefteris Kokoris-Kogias

arxiv:2309.12715 v1 · 2023-09-22 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QV57F5I3ACY2Q3JBGLQAKAZVUS}

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	2026-07-05T06:53:16.660979Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

857bf2f51b00b1a86d2132e0050335a4b5eb03b75a0ace4dab35e43a18e23b67

Aliases

arxiv: 2309.12715 · arxiv_version: 2309.12715v1 · doi: 10.48550/arxiv.2309.12715 · pith_short_12: QV57F5I3ACY2 · pith_short_16: QV57F5I3ACY2Q3JB · pith_short_8: QV57F5I3

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/QV57F5I3ACY2Q3JBGLQAKAZVUS \
  | 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: 857bf2f51b00b1a86d2132e0050335a4b5eb03b75a0ace4dab35e43a18e23b67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a6afbd08ab33feace5caf688cc7f906e901fbb48dc6114c9faa8c6c6c8c74f6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2023-09-22T08:56:32Z",
    "title_canon_sha256": "838b37c9e4acef0e0df733db1899236066c599099263014c4dee236b9d0e042b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.12715",
    "kind": "arxiv",
    "version": 1
  }
}