Pith Number

pith:JPNUGHML

pith:2018:JPNUGHML5QXB3WXUKO6743PHMM

not attested not anchored not stored refs pending

Deriving sorting algorithms via abductive logic program transformation

Manuel Hern\'andez

arxiv:1810.02254 v1 · 2018-10-04 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JPNUGHML5QXB3WXUKO6743PHMM}

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	2026-05-18T00:04:05.812854Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bdb431d8bec2e1ddaf453bdfe6de76301e806910fdf78fb9a6bda3fe434371d

Aliases

arxiv: 1810.02254 · arxiv_version: 1810.02254v1 · doi: 10.48550/arxiv.1810.02254 · pith_short_12: JPNUGHML5QXB · pith_short_16: JPNUGHML5QXB3WXU · pith_short_8: JPNUGHML

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/JPNUGHML5QXB3WXUKO6743PHMM \
  | 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: 4bdb431d8bec2e1ddaf453bdfe6de76301e806910fdf78fb9a6bda3fe434371d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f27ba1b97ac76c58bcbce93523728ff4326648f8dfc716d0031e5c5f0f3d817c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2018-10-04T14:51:58Z",
    "title_canon_sha256": "e4691860f7ac091926cb705b0af28b6bcfe6395bc30c4b6721cf227f7d24ad39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.02254",
    "kind": "arxiv",
    "version": 1
  }
}