Pith Number

pith:VRIUT2MV

pith:2006:VRIUT2MVROGOT7HR7OP23FX7LD

not attested not anchored not stored refs pending

On the Calabi flow

Weiyong He, Xiuxiong Chen

arxiv:math/0603523 v3 · 2006-03-21 · 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{VRIUT2MVROGOT7HR7OP23FX7LD}

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	2026-05-18T04:08:53.548344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac5149e9958b8ce9fcf1fb9fad96ff58d39ee8fa72ded14fb427795e2c8499e7

Aliases

arxiv: math/0603523 · arxiv_version: math/0603523v3 · doi: 10.48550/arxiv.math/0603523 · pith_short_12: VRIUT2MVROGO · pith_short_16: VRIUT2MVROGOT7HR · pith_short_8: VRIUT2MV

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/VRIUT2MVROGOT7HR7OP23FX7LD \
  | 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: ac5149e9958b8ce9fcf1fb9fad96ff58d39ee8fa72ded14fb427795e2c8499e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd4ce2620cdd1a7d14bf78988c48417d3126636f5d7754910a732d1a164ff33c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.DG",
    "submitted_at": "2006-03-21T22:57:36Z",
    "title_canon_sha256": "fa504459008371345ce89b69fe25ccd04c74a612c574b0aea659a56ac3a87f32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0603523",
    "kind": "arxiv",
    "version": 3
  }
}