Pith Number

pith:LXGTYVAM

pith:1998:LXGTYVAMO25R5OX6EF2NQW2BJA

not attested not anchored not stored refs pending

Second Product Line Practice Workshop Report

D. Smith, G. Chastek, J. Withey, L. Bass, L. Northrop, P. Clements

arxiv:cs/9811007 v1 · 1998-11-02 · 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{LXGTYVAMO25R5OX6EF2NQW2BJA}

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	2026-07-04T14:48:55.348739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5dcd3c540c76bb1ebafe2174d85b414826526fb0ec54fbbf65028038c7568f43

Aliases

arxiv: cs/9811007 · arxiv_version: cs/9811007v1 · doi: 10.48550/arxiv.cs/9811007 · pith_short_12: LXGTYVAMO25R · pith_short_16: LXGTYVAMO25R5OX6 · pith_short_8: LXGTYVAM

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/LXGTYVAMO25R5OX6EF2NQW2BJA \
  | 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: 5dcd3c540c76bb1ebafe2174d85b414826526fb0ec54fbbf65028038c7568f43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fa70e6289cd0c1fc71f476ba424228fb0c0c54f3f45bff16e6bc6928979e928",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.SE",
    "submitted_at": "1998-11-02T19:34:17Z",
    "title_canon_sha256": "c08b9be17acb70446ba1e280504748845e9894c18bfed5395c91c496aaf87503"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/9811007",
    "kind": "arxiv",
    "version": 1
  }
}