Pith Number

pith:7EFKDMU3

pith:2026:7EFKDMU32VRYPPIQEVG72PDYKK

not attested not anchored not stored refs pending

Capabilities of Claude Fable 5 on Biomedical Challenge Problems

Dominic Okonkwo, Magnus Hodgson, Susan Adanna Ihejirika, Temitope I. David

arxiv:2607.10849 v1 · 2026-07-12 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7EFKDMU32VRYPPIQEVG72PDYKK}

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	2026-07-14T01:21:43.449152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f90aa1b29bd56387bd10254dfd3c785297831199025f1bba34c10910411bc73f

Aliases

arxiv: 2607.10849 · arxiv_version: 2607.10849v1 · doi: 10.48550/arxiv.2607.10849 · pith_short_12: 7EFKDMU32VRY · pith_short_16: 7EFKDMU32VRYPPIQ · pith_short_8: 7EFKDMU3

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/7EFKDMU32VRYPPIQEVG72PDYKK \
  | 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: f90aa1b29bd56387bd10254dfd3c785297831199025f1bba34c10910411bc73f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "198f2f261cee53ff2cdda89d63bf4a77dbef47ad4c93a4c6b4827ba4f59763f7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-07-12T17:21:32Z",
    "title_canon_sha256": "75f74d1d319ba224bdc5dd8c89eeeb8623f5da2e599d84de0d961839515bea04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.10849",
    "kind": "arxiv",
    "version": 1
  }
}