Pith Number

pith:3R73PNY7

pith:2021:3R73PNY7LPG4QD7SCMCHYXENEZ

not attested not anchored not stored refs pending

Symbolic Time and Space Tradeoffs for Probabilistic Verification

Alexander Svozil, Krishnendu Chatterjee, Monika Henzinger, Wolfgang Dvo\v{r}\'ak

arxiv:2104.07466 v1 · 2021-04-15 · cs.LO · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3R73PNY7LPG4QD7SCMCHYXENEZ}

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	2026-07-05T02:32:28.226996Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc7fb7b71f5bcdc80ff213047c5c8d26790bb7e07ae8b22cb59fbe38f98f3cb9

Aliases

arxiv: 2104.07466 · arxiv_version: 2104.07466v1 · doi: 10.48550/arxiv.2104.07466 · pith_short_12: 3R73PNY7LPG4 · pith_short_16: 3R73PNY7LPG4QD7S · pith_short_8: 3R73PNY7

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/3R73PNY7LPG4QD7SCMCHYXENEZ \
  | 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: dc7fb7b71f5bcdc80ff213047c5c8d26790bb7e07ae8b22cb59fbe38f98f3cb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17c9ff0eb9ab02023b938d4afdedf486f104952708414ca1ecfedb5f50f8b4fd",
    "cross_cats_sorted": [
      "cs.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2021-04-15T13:53:28Z",
    "title_canon_sha256": "99f533fc089a3748de41076edd65141fa39654421b928b5f3293681201c9cbe9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.07466",
    "kind": "arxiv",
    "version": 1
  }
}