Pith Number

pith:F3S5GEYM

pith:2015:F3S5GEYM23KFIJGPJQ2BXR5WEI

not attested not anchored not stored refs pending

Parameter-Free Probabilistic API Mining across GitHub

Charles Sutton, Jaroslav Fowkes

arxiv:1512.05558 v2 · 2015-12-17 · 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{F3S5GEYM23KFIJGPJQ2BXR5WEI}

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	2026-05-18T00:59:34.649573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ee5d3130cd6d45424cf4c341bc7b62222ad9b0ea0d2c558b3b2cb05776b33fe

Aliases

arxiv: 1512.05558 · arxiv_version: 1512.05558v2 · doi: 10.48550/arxiv.1512.05558 · pith_short_12: F3S5GEYM23KF · pith_short_16: F3S5GEYM23KFIJGP · pith_short_8: F3S5GEYM

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/F3S5GEYM23KFIJGPJQ2BXR5WEI \
  | 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: 2ee5d3130cd6d45424cf4c341bc7b62222ad9b0ea0d2c558b3b2cb05776b33fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31df9578e93f4282a2ff2ea6348d6c28539fa3111740c46dacfef8129fd0e8a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2015-12-17T12:32:26Z",
    "title_canon_sha256": "f625d99f658935433092c679f314947e41f02f12268a148c80ee0488f605ee4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.05558",
    "kind": "arxiv",
    "version": 2
  }
}