Pith Number

pith:PJ2VXLRX

pith:2017:PJ2VXLRX4D2A334U4FX3MCHXFW

not attested not anchored not stored refs pending

Spherical metrics with conical singularities on 2-spheres

Subhadip Dey

arxiv:1704.04823 v2 · 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{PJ2VXLRX4D2A334U4FX3MCHXFW}

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	2026-05-17T23:53:44.532921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a755bae37e0f40def94e16fb608f72d855a676094eb4b281e933454938ff0e8

Aliases

arxiv: 1704.04823 · arxiv_version: 1704.04823v2 · doi: 10.48550/arxiv.1704.04823 · pith_short_12: PJ2VXLRX4D2A · pith_short_16: PJ2VXLRX4D2A334U · pith_short_8: PJ2VXLRX

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/PJ2VXLRX4D2A334U4FX3MCHXFW \
  | 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: 7a755bae37e0f40def94e16fb608f72d855a676094eb4b281e933454938ff0e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "942f914e099d6ed00241ad5323e973970a9a1e5f5fdfdce987355359977a8810",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-04-16T21:46:39Z",
    "title_canon_sha256": "13e82f8be0a82f0bc0543b886be86575be948e572b60520caf5ed2d87225f72c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.04823",
    "kind": "arxiv",
    "version": 2
  }
}