Pith Number

pith:G2NKOXTG

pith:2010:G2NKOXTGX72S4JV2KJMOCAAWFW

not attested not anchored not stored refs pending

Rigid geometric structures, isometric actions, and algebraic quotients

Jinpeng An

arxiv:1005.1423 v2 · 2010-05-09 · 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{G2NKOXTGX72S4JV2KJMOCAAWFW}

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	2026-05-18T04:15:04.525260Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

369aa75e66bff52e26ba5258e100162d9e79a1d5f40779b7f1659eac15d7227f

Aliases

arxiv: 1005.1423 · arxiv_version: 1005.1423v2 · doi: 10.48550/arxiv.1005.1423 · pith_short_12: G2NKOXTGX72S · pith_short_16: G2NKOXTGX72S4JV2 · pith_short_8: G2NKOXTG

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/G2NKOXTGX72S4JV2KJMOCAAWFW \
  | 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: 369aa75e66bff52e26ba5258e100162d9e79a1d5f40779b7f1659eac15d7227f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2cd2e1db1bce33a4222785344afa47a4e54f3295a7a62ab1256ca050980857ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2010-05-09T19:53:31Z",
    "title_canon_sha256": "2591d26d169fd3da6ae760b4ca8a0fec3c4717501df7909578802919c38cb71e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.1423",
    "kind": "arxiv",
    "version": 2
  }
}