Pith Number

pith:YUEOGCFF

pith:2018:YUEOGCFFJI54B5RS3VOKSGUD6O

not attested not anchored not stored refs pending

On generalized constant ratio surfaces with higher codimension

Alev Kelleci, Mahmut Erg\"ut, Nurettin Cenk Turgay

arxiv:1804.00721 v1 · 2018-04-02 · 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{YUEOGCFFJI54B5RS3VOKSGUD6O}

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	2026-05-18T00:19:32.368868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c508e308a54a3bc0f632dd5ca91a83f39cef14b37e9b49591ab28e94202f69b2

Aliases

arxiv: 1804.00721 · arxiv_version: 1804.00721v1 · doi: 10.48550/arxiv.1804.00721 · pith_short_12: YUEOGCFFJI54 · pith_short_16: YUEOGCFFJI54B5RS · pith_short_8: YUEOGCFF

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/YUEOGCFFJI54B5RS3VOKSGUD6O \
  | 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: c508e308a54a3bc0f632dd5ca91a83f39cef14b37e9b49591ab28e94202f69b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff294a5d598d11235fec370c8089fed7c2f79347e0f377a8e5f8326f7f0df33d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-04-02T20:36:40Z",
    "title_canon_sha256": "80ed3d81bd7cca58cca31f0e36e713263a632ce3d915245eff2f6b32f1edba54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.00721",
    "kind": "arxiv",
    "version": 1
  }
}