Pith Number

pith:5OENQNRS

pith:2026:5OENQNRSVSFIYEV3NULZH3NCSL

not attested not anchored not stored refs pending

SFBench: The SciFy Scientific Feasibility Benchmark

Alex Memory, Cash Costello, Chris Ribaudo, Christina K. Pikas, Christine Piatko, Elsbeth Turcan, James Mayfield, Justin Rokisky, Ritwik Bose, Sam Scheck

arxiv:2606.29630 v1 · 2026-06-28 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5OENQNRSVSFIYEV3NULZH3NCSL}

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	2026-06-30T01:18:20.274223Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb88d83632ac8a8c12bb6d1793eda292efcbf6188154cf8b20485a3996b93c50

Aliases

arxiv: 2606.29630 · arxiv_version: 2606.29630v1 · doi: 10.48550/arxiv.2606.29630 · pith_short_12: 5OENQNRSVSFI · pith_short_16: 5OENQNRSVSFIYEV3 · pith_short_8: 5OENQNRS

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/5OENQNRSVSFIYEV3NULZH3NCSL \
  | 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: eb88d83632ac8a8c12bb6d1793eda292efcbf6188154cf8b20485a3996b93c50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f7c8b56bf1870bf80349d367dec8c958269523095c5fb434b0fed693cb31919",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-06-28T22:27:26Z",
    "title_canon_sha256": "f826139d39fdc2aab871002faf2877146a1a91e9e0a0deff8585b2ccf5e0eace"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.29630",
    "kind": "arxiv",
    "version": 1
  }
}