Pith Number

pith:QJ2YXKO4

pith:2013:QJ2YXKO4QBLYIVJPPEUQ4QF2CZ

not attested not anchored not stored refs pending

Meridian Surface of Weingarten Type in 4-dimensional Euclidean Space E^4

Bengu Kilic Bayram, Betul Bulca, Gunay Ozturk, Kadri Arslan

arxiv:1305.3155 v1 · 2013-05-14 · 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{QJ2YXKO4QBLYIVJPPEUQ4QF2CZ}

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	2026-05-18T03:25:44.636160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82758ba9dc805784552f79290e40ba16612af5dec8f53003818c41d2c5fbb688

Aliases

arxiv: 1305.3155 · arxiv_version: 1305.3155v1 · doi: 10.48550/arxiv.1305.3155 · pith_short_12: QJ2YXKO4QBLY · pith_short_16: QJ2YXKO4QBLYIVJP · pith_short_8: QJ2YXKO4

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/QJ2YXKO4QBLYIVJPPEUQ4QF2CZ \
  | 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: 82758ba9dc805784552f79290e40ba16612af5dec8f53003818c41d2c5fbb688

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e3f9b22d0f041a802314bad918218b9cb153f28a4417bc1dd62362564be947b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-05-14T13:51:18Z",
    "title_canon_sha256": "836f5d1a550089a605f0dde3bfa00ab93804500e1eab73ce6b0842988b251077"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3155",
    "kind": "arxiv",
    "version": 1
  }
}