Pith Number

pith:5243BFIM

pith:2010:5243BFIMHXWIZNHVWDPTYD5LRS

not attested not anchored not stored refs pending

Euclidean hypersurfaces with genuine deformations in codimension two

Luis Florit, Marcos Dajczer, Ruy Tojeiro

arxiv:1010.2932 v2 · 2010-10-14 · 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{5243BFIMHXWIZNHVWDPTYD5LRS}

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	2026-05-18T04:19:41.193648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eeb9b0950c3dec8cb4f5b0df3c0fab8c889b96d5ecf8d3ac2b2d382f3b2c6873

Aliases

arxiv: 1010.2932 · arxiv_version: 1010.2932v2 · doi: 10.48550/arxiv.1010.2932 · pith_short_12: 5243BFIMHXWI · pith_short_16: 5243BFIMHXWIZNHV · pith_short_8: 5243BFIM

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/5243BFIMHXWIZNHVWDPTYD5LRS \
  | 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: eeb9b0950c3dec8cb4f5b0df3c0fab8c889b96d5ecf8d3ac2b2d382f3b2c6873

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aca3577fc543623699b3bff8b3eb652cd0105b6e616ba00686dbd923a236475d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2010-10-14T14:22:33Z",
    "title_canon_sha256": "8d0148b3873477403c93f398e16e9aa43470a467cefc4a337cecf81c94d597d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.2932",
    "kind": "arxiv",
    "version": 2
  }
}