Pith Number

pith:3MYQNGIN

pith:2010:3MYQNGINJ2WZ33CZMTMSPWUCOP

not attested not anchored not stored refs pending

Stability of Calabi flow near an extremal metric

Hongnian Huang, Kai Zheng

arxiv:1007.4571 v2 · 2010-07-26 · 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{3MYQNGINJ2WZ33CZMTMSPWUCOP}

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	2026-05-18T02:30:16.117363Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db3106990d4ead9dec5964d927da8273f3034802ed599db22a89f535050d31a1

Aliases

arxiv: 1007.4571 · arxiv_version: 1007.4571v2 · doi: 10.48550/arxiv.1007.4571 · pith_short_12: 3MYQNGINJ2WZ · pith_short_16: 3MYQNGINJ2WZ33CZ · pith_short_8: 3MYQNGIN

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/3MYQNGINJ2WZ33CZMTMSPWUCOP \
  | 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: db3106990d4ead9dec5964d927da8273f3034802ed599db22a89f535050d31a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "339af14954a8722b1e0ebc47dfabd3027f22bd67338ff35840338c6db0327ef3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2010-07-26T21:09:10Z",
    "title_canon_sha256": "6640377a52abfdf54f681a00f916009cfccdbe7fefa8ce90b7b460feb5523e54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.4571",
    "kind": "arxiv",
    "version": 2
  }
}