Pith Number

pith:Z44CHG5I

pith:2015:Z44CHG5IYCUSCGEKNEDY2UUYHE

not attested not anchored not stored refs pending

Compositional Invariant Generation via Linear Recurrence Analysis

Azadeh Farzan, Zachary Kincaid

arxiv:1502.00138 v1 · 2015-01-31 · cs.PL · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z44CHG5IYCUSCGEKNEDY2UUYHE}

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	2026-05-18T02:28:12.682388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf38239ba8c0a921188a69078d5298392f5621fa9a1aeb415d7a286c811a45a3

Aliases

arxiv: 1502.00138 · arxiv_version: 1502.00138v1 · doi: 10.48550/arxiv.1502.00138 · pith_short_12: Z44CHG5IYCUS · pith_short_16: Z44CHG5IYCUSCGEK · pith_short_8: Z44CHG5I

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/Z44CHG5IYCUSCGEKNEDY2UUYHE \
  | 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: cf38239ba8c0a921188a69078d5298392f5621fa9a1aeb415d7a286c811a45a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a3196d1bebbdd987cfb2472cfde3d997601c9c590146e00df881523a1c8e73d",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2015-01-31T16:43:46Z",
    "title_canon_sha256": "ebfc7405dc14fb6d6346f8324459f58b98c89302110fbaf5c6486fa84db5796a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00138",
    "kind": "arxiv",
    "version": 1
  }
}