Pith Number

pith:GGGCHIIJ

pith:2012:GGGCHIIJIEWARLO3QKJVXCBDN7

not attested not anchored not stored refs pending

Constant Angle Ruled Surfaces in Euclidean Spaces

Evren Ziplar, Yusuf Yayli

arxiv:1204.2629 v1 · 2012-04-12 · 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{GGGCHIIJIEWARLO3QKJVXCBDN7}

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	2026-05-18T03:58:03.875849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

318c23a109412c08addb82935b88236fd47735c197c9cd263e94ebcf232f869c

Aliases

arxiv: 1204.2629 · arxiv_version: 1204.2629v1 · doi: 10.48550/arxiv.1204.2629 · pith_short_12: GGGCHIIJIEWA · pith_short_16: GGGCHIIJIEWARLO3 · pith_short_8: GGGCHIIJ

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/GGGCHIIJIEWARLO3QKJVXCBDN7 \
  | 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: 318c23a109412c08addb82935b88236fd47735c197c9cd263e94ebcf232f869c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c37b4b7e9c0ac7653a38ffcd71a7808aaad7b4fd5a86898f416ef4ec1616ab1c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-04-12T06:45:50Z",
    "title_canon_sha256": "60776439073677446c0085836bcb43b512721d2359738a9c90caaa84b0b494d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2629",
    "kind": "arxiv",
    "version": 1
  }
}