Pith Number

pith:A37SVTCM

pith:2013:A37SVTCME2UKVC2AYOAFAWOEFL

not attested not anchored not stored refs pending

Locus of the centers of Meusnier spheres in Euclidean 3-space

Beyhan Uzunoglu

arxiv:1307.4213 v2 · 2013-07-16 · 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{A37SVTCME2UKVC2AYOAFAWOEFL}

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	2026-05-18T02:25:04.903476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06ff2acc4c26a8aa8b40c3805059c42aec2fc140c2a29e4691e0f37490290244

Aliases

arxiv: 1307.4213 · arxiv_version: 1307.4213v2 · doi: 10.48550/arxiv.1307.4213 · pith_short_12: A37SVTCME2UK · pith_short_16: A37SVTCME2UKVC2A · pith_short_8: A37SVTCM

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/A37SVTCME2UKVC2AYOAFAWOEFL \
  | 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: 06ff2acc4c26a8aa8b40c3805059c42aec2fc140c2a29e4691e0f37490290244

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c556bddaf05d588eb8078103418d8e439df67cd96b7c05cb44be9256f4cb9c0e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-07-16T09:25:46Z",
    "title_canon_sha256": "8e939ed026a7307c2fbd07037701529d1678c9663768bb3b70079311addf4323"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4213",
    "kind": "arxiv",
    "version": 2
  }
}