Pith Number

pith:XWJ4U3VN

pith:2015:XWJ4U3VNPIEQPELXYMZVCJANAZ

not attested not anchored not stored refs pending

Isomorphisms considered as equalities: Projecting functions and enhancing partial application through and implementation of lambda+

Alejandro D\'iaz-Caro, Pablo E. Mart\'inez L\'opez

arxiv:1511.09324 v2 · 2015-11-30 · 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{XWJ4U3VNPIEQPELXYMZVCJANAZ}

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	2026-05-18T00:01:39.439241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd93ca6ead7a09079177c33351240d067e93b6aa96a692b62aa5b381880d3417

Aliases

arxiv: 1511.09324 · arxiv_version: 1511.09324v2 · doi: 10.48550/arxiv.1511.09324 · pith_short_12: XWJ4U3VNPIEQ · pith_short_16: XWJ4U3VNPIEQPELX · pith_short_8: XWJ4U3VN

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/XWJ4U3VNPIEQPELXYMZVCJANAZ \
  | 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: bd93ca6ead7a09079177c33351240d067e93b6aa96a692b62aa5b381880d3417

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6142ded1828ca26e47da38950a9c87c1df0db3e2c0ef52cde3a25fbfb695fcdc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2015-11-30T14:30:29Z",
    "title_canon_sha256": "acba7317c467387b077ee9c236622c6862e84b6d3d8157a8cc689bc4ca717197"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.09324",
    "kind": "arxiv",
    "version": 2
  }
}