Pith Number

pith:7CQTMR5Z

pith:2017:7CQTMR5ZX5KFQBXYG7P4GEHER5

not attested not anchored not stored refs pending

Robust Computer Algebra, Theorem Proving, and Oracle AI

Gopal P. Sarma, Nick J. Hay

arxiv:1708.02553 v2 · 2017-08-08 · cs.AI · cs.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7CQTMR5ZX5KFQBXYG7P4GEHER5}

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	2026-05-18T00:27:00.314145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8a13647b9bf545806f837dfc310e48f497d5508043bd37bd853a3eaa061cc1a

Aliases

arxiv: 1708.02553 · arxiv_version: 1708.02553v2 · doi: 10.48550/arxiv.1708.02553 · pith_short_12: 7CQTMR5ZX5KF · pith_short_16: 7CQTMR5ZX5KFQBXY · pith_short_8: 7CQTMR5Z

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/7CQTMR5ZX5KFQBXYG7P4GEHER5 \
  | 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: f8a13647b9bf545806f837dfc310e48f497d5508043bd37bd853a3eaa061cc1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2809c50d26858564d880bb1f60d15b5275235a06874beb6fdd178604f6d26d6c",
    "cross_cats_sorted": [
      "cs.SC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2017-08-08T16:35:40Z",
    "title_canon_sha256": "e99a41c418a46d85f05405b09c649ee212dcedaf9ea10bde92cee075d2cb9d38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.02553",
    "kind": "arxiv",
    "version": 2
  }
}