Pith Number

pith:2AMK3J5F

pith:2019:2AMK3J5FCPJZZKKBCV4ICHVJO3

not attested not anchored not stored refs pending

Compositional specification in rewriting logic

Alberto Verdejo, Narciso Mart\'i-Oliet, \'Oscar Mart\'in

arxiv:1908.11769 v3 · 2019-08-30 · 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{2AMK3J5FCPJZZKKBCV4ICHVJO3}

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	2026-07-05T00:37:17.582052Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d018ada7a513d39ca9411578811ea976fbc312cfcc68df13df89faaf97d6cb69

Aliases

arxiv: 1908.11769 · arxiv_version: 1908.11769v3 · doi: 10.48550/arxiv.1908.11769 · pith_short_12: 2AMK3J5FCPJZ · pith_short_16: 2AMK3J5FCPJZZKKB · pith_short_8: 2AMK3J5F

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/2AMK3J5FCPJZZKKBCV4ICHVJO3 \
  | 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: d018ada7a513d39ca9411578811ea976fbc312cfcc68df13df89faaf97d6cb69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d0dea908a4eae2e511db3a6b05ae08127e94ed4376e36d3ceea2491deff3c36",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2019-08-30T14:49:36Z",
    "title_canon_sha256": "2485dd513cb4acb4d63643878ea6f64b78072d0ffeaba3362028d1d3ce9a81ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.11769",
    "kind": "arxiv",
    "version": 3
  }
}