Pith Number

pith:EUN5O2XZ

pith:2017:EUN5O2XZBJPVXT3NQDIRFBNGWR

not attested not anchored not stored refs pending

On biconservative hypersurfaces in 4-dimensional Riemannian space forms

Abhitosh Upadhyay, Nurettin Cenk Turgay

arxiv:1702.05469 v1 · 2017-02-17 · 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{EUN5O2XZBJPVXT3NQDIRFBNGWR}

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	2026-05-18T00:50:31.612220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

251bd76af90a5f5bcf6d80d11285a6b46a8ffe8bdc54ecb0a37039c28b58e28f

Aliases

arxiv: 1702.05469 · arxiv_version: 1702.05469v1 · doi: 10.48550/arxiv.1702.05469 · pith_short_12: EUN5O2XZBJPV · pith_short_16: EUN5O2XZBJPVXT3N · pith_short_8: EUN5O2XZ

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/EUN5O2XZBJPVXT3NQDIRFBNGWR \
  | 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: 251bd76af90a5f5bcf6d80d11285a6b46a8ffe8bdc54ecb0a37039c28b58e28f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9400b9f28a9ca819f4d7cc807e97e321f4a3ac9a0ffbbc2845353cf0686e36f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-02-17T18:42:21Z",
    "title_canon_sha256": "34ba8b84b628127879ba50ca709ef1fb6ef6a0f6bc1aacbfc6a4ee48a58c9fd7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.05469",
    "kind": "arxiv",
    "version": 1
  }
}