Pith Number

pith:234VRUAC

pith:2015:234VRUACFL7O42VRVJKR3B4GGP

not attested not anchored not stored refs pending

Framework for Version Control & Dependency Link of Components & Products in a Software Product Line

Faheem Ahmed, Luiz Fernando Capretz

arxiv:1507.06952 v1 · 2015-07-24 · 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{234VRUACFL7O42VRVJKR3B4GGP}

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	2026-05-18T01:36:21.563147Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6f958d0022afeee6ab1aa551d878633f13f42559893db9f153669474ffa84cc

Aliases

arxiv: 1507.06952 · arxiv_version: 1507.06952v1 · doi: 10.48550/arxiv.1507.06952 · pith_short_12: 234VRUACFL7O · pith_short_16: 234VRUACFL7O42VR · pith_short_8: 234VRUAC

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/234VRUACFL7O42VRVJKR3B4GGP \
  | 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: d6f958d0022afeee6ab1aa551d878633f13f42559893db9f153669474ffa84cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70950dcc4ce2a64f6cb5e42057e76e047e884c6638c7329f24492b9dcb93b1c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2015-07-24T18:40:32Z",
    "title_canon_sha256": "ce1a6ef61c7f9c9d30b66a941758cb18ff7f911777ffd9e07585c61dc4f8a4aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.06952",
    "kind": "arxiv",
    "version": 1
  }
}