Pith Number

pith:UPRPS3TT

pith:2026:UPRPS3TTHMSXPQYNV6Y4WQA3WD

not attested not anchored not stored refs pending

ReproRepo: Scaling Reproducibility Audits with GitHub Repository Issues

Ameet Talwalkar, Jingwu Tang, Nihar B Shah, Qiuhong Anna Wei, Shanda Li, Tim Dettmers, Valerie Chen, Yiming Yang

arxiv:2606.18237 v1 · 2026-06-16 · cs.CL · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UPRPS3TTHMSXPQYNV6Y4WQA3WD}

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	2026-06-19T16:10:51.986527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3e2f96e733b2577c30dafb1cb401bb0e8e7d318e5479f695b05a4ae7f7c2877

Aliases

arxiv: 2606.18237 · arxiv_version: 2606.18237v1 · doi: 10.48550/arxiv.2606.18237 · pith_short_12: UPRPS3TTHMSX · pith_short_16: UPRPS3TTHMSXPQYN · pith_short_8: UPRPS3TT

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/UPRPS3TTHMSXPQYNV6Y4WQA3WD \
  | 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: a3e2f96e733b2577c30dafb1cb401bb0e8e7d318e5479f695b05a4ae7f7c2877

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8147fc2838b1486df152bab979240a2cd7470be42f5f8231e4595cc7c1f2c5e",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-06-16T17:58:05Z",
    "title_canon_sha256": "8c9bf73363f09e525d0933c35996cb9f97a8a480392ed8213a25f249443fe267"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.18237",
    "kind": "arxiv",
    "version": 1
  }
}