Pith Number

pith:HDHIAJQ2

pith:2019:HDHIAJQ23PPRX55HX2BMPKBMZP

not attested not anchored not stored refs pending

Auditable Blockchain Randomization Tool

Julio Michael Stern, Olivia Saa

arxiv:1904.09500 v1 · 2019-04-20 · cs.CR · cs.CY · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HDHIAJQ23PPRX55HX2BMPKBMZP}

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	2026-07-05T00:27:43.146130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38ce80261adbdf1bf7a7be82c7a82ccbf10aa832c9a9e9ca0b8b5116d961b6dc

Aliases

arxiv: 1904.09500 · arxiv_version: 1904.09500v1 · doi: 10.48550/arxiv.1904.09500 · pith_short_12: HDHIAJQ23PPR · pith_short_16: HDHIAJQ23PPRX55H · pith_short_8: HDHIAJQ2

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/HDHIAJQ23PPRX55HX2BMPKBMZP \
  | 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: 38ce80261adbdf1bf7a7be82c7a82ccbf10aa832c9a9e9ca0b8b5116d961b6dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f4c94512855a7244c6e757df27bc40665055e6efc9b68638ba95ec3532d2b6a",
    "cross_cats_sorted": [
      "cs.CY",
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-04-20T21:27:42Z",
    "title_canon_sha256": "de49f7d88e704fe44ea30c5297d1ceabe2fe43b9ab1a7a94229aac8778e32d31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09500",
    "kind": "arxiv",
    "version": 1
  }
}