Pith Number

pith:B4VWEWD3

pith:2018:B4VWEWD3IZ7AFJS2HP75TBMVKE

not attested not anchored not stored refs pending

Global uniqueness of the minimal sphere in the Atiyah-Hitchin manifold

Chung-Jun Tsai, Mu-Tao Wang

arxiv:1804.08201 v1 · 2018-04-23 · 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{B4VWEWD3IZ7AFJS2HP75TBMVKE}

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	2026-05-18T00:17:49.219408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f2b62587b467e02a65a3bffd9859551007e92194bcf773055b57b58c94fe099

Aliases

arxiv: 1804.08201 · arxiv_version: 1804.08201v1 · doi: 10.48550/arxiv.1804.08201 · pith_short_12: B4VWEWD3IZ7A · pith_short_16: B4VWEWD3IZ7AFJS2 · pith_short_8: B4VWEWD3

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/B4VWEWD3IZ7AFJS2HP75TBMVKE \
  | 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: 0f2b62587b467e02a65a3bffd9859551007e92194bcf773055b57b58c94fe099

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed9960c35497783015ebe31fb3c846833351cfd4e6fcb32a8daf6bd50b79689d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-04-23T00:39:22Z",
    "title_canon_sha256": "74cc919bd1727289edd9ee901b8a8084fd45f994402ae1cbeb69f6e2f9547708"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08201",
    "kind": "arxiv",
    "version": 1
  }
}