Pith Number

pith:DLJ7J46C

pith:2014:DLJ7J46CIJFPJUE5YF7ZT63G45

not attested not anchored not stored refs pending

Subtyping in Java is a Fractal

Moez A. AbdelGawad

arxiv:1411.5166 v5 · 2014-11-19 · cs.PL · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DLJ7J46CIJFPJUE5YF7ZT63G45}

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	2026-05-18T00:27:05.006746Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ad3f4f3c2424af4d09dc17f99fb66e7711f869ee4b52136f6374f012f783912

Aliases

arxiv: 1411.5166 · arxiv_version: 1411.5166v5 · doi: 10.48550/arxiv.1411.5166 · pith_short_12: DLJ7J46CIJFP · pith_short_16: DLJ7J46CIJFPJUE5 · pith_short_8: DLJ7J46C

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/DLJ7J46CIJFPJUE5YF7ZT63G45 \
  | 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: 1ad3f4f3c2424af4d09dc17f99fb66e7711f869ee4b52136f6374f012f783912

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0001df0079b18c0c1b392a192c7b9773e94c11c82d9339f42ad6fcf2be45488",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2014-11-19T10:20:54Z",
    "title_canon_sha256": "65cd128e16f48e8d37b9e77e04ab896b274b99bfca43d1ee4316d0a832dbe6c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.5166",
    "kind": "arxiv",
    "version": 5
  }
}