Pith Number

pith:OF3FRH5Q

pith:2026:OF3FRH5QDBN66RURCVPBD6A6F2

not attested not anchored not stored refs pending

Forecasting Scientific Progress with Artificial Intelligence

David Clifton, James Zou, Jonathan Bragg, Junchi Yu, Pan Lu, Peter Clark, Philip Torr, Sean Wu, YuPeng Chen, Yutaro Yamada

arxiv:2605.22681 v1 · 2026-05-21 · 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{OF3FRH5QDBN66RURCVPBD6A6F2}

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	2026-05-22T02:04:50.048920Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7176589fb0185bef4691155e11f81e2ead174ce89fdb3c7ef6b73f1d97907284

Aliases

arxiv: 2605.22681 · arxiv_version: 2605.22681v1 · doi: 10.48550/arxiv.2605.22681 · pith_short_12: OF3FRH5QDBN6 · pith_short_16: OF3FRH5QDBN66RUR · pith_short_8: OF3FRH5Q

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/OF3FRH5QDBN66RURCVPBD6A6F2 \
  | 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: 7176589fb0185bef4691155e11f81e2ead174ce89fdb3c7ef6b73f1d97907284

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcea82ad29ea69909084215373c8b2bf3d8431fa91599856dec9a3642b6adee6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-05-21T16:23:36Z",
    "title_canon_sha256": "1a40d9b182f87b995e3c1d82d571ce27ccdb79dc072ea8095172cd370e0caa55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.22681",
    "kind": "arxiv",
    "version": 1
  }
}