Pith Number

pith:3FUVYAIE

pith:2013:3FUVYAIEAMBG6GJJH7UYPGWPYD

not attested not anchored not stored refs pending

Isometric Surfaces and the Third Laplace-Beltrami

Erhan G\"uler, Yusuf Yayl{\i}

arxiv:1304.7655 v2 · 2013-04-29 · 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{3FUVYAIEAMBG6GJJH7UYPGWPYD}

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	2026-05-18T00:57:44.593043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9695c010403026f19293fe9879acfc0ebdb4a4cf02323f90be36b8fd48ed2cf

Aliases

arxiv: 1304.7655 · arxiv_version: 1304.7655v2 · doi: 10.48550/arxiv.1304.7655 · pith_short_12: 3FUVYAIEAMBG · pith_short_16: 3FUVYAIEAMBG6GJJ · pith_short_8: 3FUVYAIE

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/3FUVYAIEAMBG6GJJH7UYPGWPYD \
  | 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: d9695c010403026f19293fe9879acfc0ebdb4a4cf02323f90be36b8fd48ed2cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69e1ba0ea420b5cf1a8250cc1b195df37c22dc6e7f2c087ff5ea051e85ed1b24",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-04-29T13:24:08Z",
    "title_canon_sha256": "b5e0c72d0431af607b4e940b515d73450aa0f88fb3d2a31066328d6d2d57b5bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7655",
    "kind": "arxiv",
    "version": 2
  }
}