Pith Number

pith:RKPQ4JEO

pith:2012:RKPQ4JEOEQTU4Z3NFXBTN5QEDK

not attested not anchored not stored refs pending

Special involute-evolute partner D-curves in E3

\"Ozcan Bekta\c{s}, Salim Y\"uce

arxiv:1204.5876 v4 · 2012-04-26 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RKPQ4JEOEQTU4Z3NFXBTN5QEDK}

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	2026-05-18T03:52:25.980651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a9f0e248e24274e676d2dc336f6041aa5924906255f8ce5b40187de5babd5ed

Aliases

arxiv: 1204.5876 · arxiv_version: 1204.5876v4 · doi: 10.48550/arxiv.1204.5876 · pith_short_12: RKPQ4JEOEQTU · pith_short_16: RKPQ4JEOEQTU4Z3N · pith_short_8: RKPQ4JEO

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/RKPQ4JEOEQTU4Z3NFXBTN5QEDK \
  | 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: 8a9f0e248e24274e676d2dc336f6041aa5924906255f8ce5b40187de5babd5ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9641f8a945c7e9ce46e89e7d3402eddf22f6ce3cd846150bb37b0deee1b174e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-04-26T10:13:08Z",
    "title_canon_sha256": "12d06d8292703e3ea1216b802ef9f56087fd395f91ece023e8294359198b9a3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5876",
    "kind": "arxiv",
    "version": 4
  }
}