Pith Number

pith:6VT6I455

pith:2017:6VT6I4557MBK3Y5M5MCLOJR4ZH

not attested not anchored not stored refs pending

Intrinsic and extrinsic geometry of hypersurfaces in $\mathbb{S}^n \times \mathbb{R}$ and $\mathbb{H}^n \times \mathbb{R}$

Jo\~ao Paulo dos Santos, Rafael Novais

arxiv:1704.04702 v1 · 2017-04-16 · 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{6VT6I4557MBK3Y5M5MCLOJR4ZH}

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	2026-05-18T00:46:17.909453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f567e473bdfb02ade3aceb04b7263cc9f3acad082e23c7772040e5573a5c415e

Aliases

arxiv: 1704.04702 · arxiv_version: 1704.04702v1 · doi: 10.48550/arxiv.1704.04702 · pith_short_12: 6VT6I4557MBK · pith_short_16: 6VT6I4557MBK3Y5M · pith_short_8: 6VT6I455

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/6VT6I4557MBK3Y5M5MCLOJR4ZH \
  | 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: f567e473bdfb02ade3aceb04b7263cc9f3acad082e23c7772040e5573a5c415e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6156fe69c57fa3547915c43e4174f2dab8820ffe80adf29ce4c436b7cde9b714",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-04-16T00:03:19Z",
    "title_canon_sha256": "882f752f647a410c40f21828681b027bd73bad236b4b9a7bb9629b78ea5379b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.04702",
    "kind": "arxiv",
    "version": 1
  }
}