Pith Number

pith:J5S7WE7E

pith:2019:J5S7WE7EFOGALA6BP4AOSWQQ6G

not attested not anchored not stored refs pending

Probabilistic Smart Contracts: Secure Randomness on the Blockchain

Amir Kafshdar Goharshady, Arash Pourdamghani, Krishnendu Chatterjee

arxiv:1902.07986 v1 · 2019-02-21 · cs.GT · cs.CR · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J5S7WE7EFOGALA6BP4AOSWQQ6G}

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	2026-05-17T23:53:03.337275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f65fb13e42b8c0583c17f00e95a10f1aa5b4a1fe9647068bf6b924515969597

Aliases

arxiv: 1902.07986 · arxiv_version: 1902.07986v1 · doi: 10.48550/arxiv.1902.07986 · pith_short_12: J5S7WE7EFOGA · pith_short_16: J5S7WE7EFOGALA6B · pith_short_8: J5S7WE7E

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/J5S7WE7EFOGALA6BP4AOSWQQ6G \
  | 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: 4f65fb13e42b8c0583c17f00e95a10f1aa5b4a1fe9647068bf6b924515969597

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2bc86112f65f6cc6244347711c49a89404dc90b37ab114acd1a8252990f2b9cc",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GT",
    "submitted_at": "2019-02-21T11:56:22Z",
    "title_canon_sha256": "39f70afb904cedd85ad1a4a90fa3d7402bb410b9e1baaac2e8e29b46f03e0f98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.07986",
    "kind": "arxiv",
    "version": 1
  }
}