Pith Number

pith:TAHRINPZ

pith:2010:TAHRINPZQ4ARWCNIJS7EB56C56

not attested not anchored not stored refs pending

Anisotropic isoparametric hypersurfaces in Euclidean spaces

Hui Ma, Jianquan Ge

arxiv:1008.1926 v2 · 2010-08-11 · 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{TAHRINPZQ4ARWCNIJS7EB56C56}

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	2026-05-18T04:01:02.213586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

980f1435f987011b09a84cbe40f7c2ef8964401bcef65bd825f9c8d375cfb7e1

Aliases

arxiv: 1008.1926 · arxiv_version: 1008.1926v2 · doi: 10.48550/arxiv.1008.1926 · pith_short_12: TAHRINPZQ4AR · pith_short_16: TAHRINPZQ4ARWCNI · pith_short_8: TAHRINPZ

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/TAHRINPZQ4ARWCNIJS7EB56C56 \
  | 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: 980f1435f987011b09a84cbe40f7c2ef8964401bcef65bd825f9c8d375cfb7e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2df221eb5634712f7c1c9d574b09a647830cef4324cecdfce20b0ae1f1fb790",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2010-08-11T14:56:08Z",
    "title_canon_sha256": "a0727942e894833b39913e318e59e2ef07fb0686fda5f99ccd99cc5784e881ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.1926",
    "kind": "arxiv",
    "version": 2
  }
}