Pith Number

pith:IO7FHLG5

pith:2015:IO7FHLG5ZOJCK7BHFPIPWIPRBS

not attested not anchored not stored refs pending

From nominal to higher-order rewriting and back again

Jes\'us Dom\'inguez (King's College London), Maribel Fern\'andez (King's College London)

arxiv:1509.05318 v2 · 2015-09-17 · 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{IO7FHLG5ZOJCK7BHFPIPWIPRBS}

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	2026-05-18T00:53:08.903864Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43be53acddcb92257c272bd0fb21f10c9e253065188013e5616dbef1c7ba5d54

Aliases

arxiv: 1509.05318 · arxiv_version: 1509.05318v2 · doi: 10.48550/arxiv.1509.05318 · pith_short_12: IO7FHLG5ZOJC · pith_short_16: IO7FHLG5ZOJCK7BH · pith_short_8: IO7FHLG5

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/IO7FHLG5ZOJCK7BHFPIPWIPRBS \
  | 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: 43be53acddcb92257c272bd0fb21f10c9e253065188013e5616dbef1c7ba5d54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6caf96f8dd1ccd2591bf9a46269ed6efd2649d7c4ee5e56f548f6248411bd3a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2015-09-17T16:29:53Z",
    "title_canon_sha256": "a47a11a68dc15fd52ce4a4f54bbd1d5b90b5253b20afdb7a29dddcda2fb15c0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.05318",
    "kind": "arxiv",
    "version": 2
  }
}