Pith Number

pith:FLC3ZNRA

pith:2026:FLC3ZNRAZD7JWS6LVE3C6DCJ5Y

not attested not anchored not stored refs pending

PSASpotter: A Tool to Detect the Usage of Platform-Specific APIs in Python

Andre Hora, Ricardo Job

arxiv:2607.17462 v1 · 2026-07-20 · 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{FLC3ZNRAZD7JWS6LVE3C6DCJ5Y}

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	2026-07-21T01:21:34.034629Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ac5bcb620c8fe9b4bcba9362f0c49ee19700f77990d4d47efd14571b77cb02e

Aliases

arxiv: 2607.17462 · arxiv_version: 2607.17462v1 · doi: 10.48550/arxiv.2607.17462 · pith_short_12: FLC3ZNRAZD7J · pith_short_16: FLC3ZNRAZD7JWS6L · pith_short_8: FLC3ZNRA

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/FLC3ZNRAZD7JWS6LVE3C6DCJ5Y \
  | 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: 2ac5bcb620c8fe9b4bcba9362f0c49ee19700f77990d4d47efd14571b77cb02e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d793575fe04bcbc9f2ed685cffeb0eabb65578999c3a06c5f274e88ff6592e7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-07-20T01:24:49Z",
    "title_canon_sha256": "149283a29dc8f4de0c068b27ca0dc36f5c28a7900d4e778b52308d6dbf641ccd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.17462",
    "kind": "arxiv",
    "version": 1
  }
}