Pith Number

pith:U26NDRHO

pith:2018:U26NDRHO7SM54K4EUSPSRWFEQW

not attested not anchored not stored refs pending

A sufficient condition for a hypersurface to be isoparametric

Dongyi Wei, Wenjiao Yan, Zizhou Tang

arxiv:1803.10006 v1 · 2018-03-27 · 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{U26NDRHO7SM54K4EUSPSRWFEQW}

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	2026-05-18T00:20:00.754173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6bcd1c4eefc99de2b84a49f28d8a485826e076227eca43330d50ad86fd77b22

Aliases

arxiv: 1803.10006 · arxiv_version: 1803.10006v1 · doi: 10.48550/arxiv.1803.10006 · pith_short_12: U26NDRHO7SM5 · pith_short_16: U26NDRHO7SM54K4E · pith_short_8: U26NDRHO

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/U26NDRHO7SM54K4EUSPSRWFEQW \
  | 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: a6bcd1c4eefc99de2b84a49f28d8a485826e076227eca43330d50ad86fd77b22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2b172253b54d8ff2aca49d6ec09034b01b16df98550436d4437c87200b162b1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-03-27T10:43:05Z",
    "title_canon_sha256": "5e5e7e20eaec4fcbd26fa0dbc40afe7cdb227ed8b2b1ea9c61ce8cfdcf1d13b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.10006",
    "kind": "arxiv",
    "version": 1
  }
}