Pith Number

pith:JPNMERVJ

pith:2026:JPNMERVJAUXE4CZSSPSYGECM2F

not attested not anchored not stored refs pending

A Study of Cursorrules Files in GitHub Open Source Projects

Arina Kudriavtseva, Jafar Akhoundali, Olga Gadyatskaya, Sengim Karayalcin, Shuang Sun

arxiv:2608.10622 v1 · 2026-08-11 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JPNMERVJAUXE4CZSSPSYGECM2F}

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	2026-08-12T01:22:53.282046Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bdac246a9052e4e0b3293e583104cd15bc1a8ca8789f27f24c9809188cf40da

Aliases

arxiv: 2608.10622 · arxiv_version: 2608.10622v1 · doi: 10.48550/arxiv.2608.10622 · pith_short_12: JPNMERVJAUXE · pith_short_16: JPNMERVJAUXE4CZS · pith_short_8: JPNMERVJ

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/JPNMERVJAUXE4CZSSPSYGECM2F \
  | 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: 4bdac246a9052e4e0b3293e583104cd15bc1a8ca8789f27f24c9809188cf40da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a03d51f10b700eac126dda3b7757a6922c1d0786e18f4b95e87f2db18b04267a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-08-11T08:08:49Z",
    "title_canon_sha256": "b6979723845671fd6f96c496bed3e18d26d46eec2dfae1d294b2c59130249b0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.10622",
    "kind": "arxiv",
    "version": 1
  }
}