Pith Number

pith:TX3SL276

pith:2009:TX3SL276O72W4KTZ2MKT4QKFYI

not attested not anchored not stored refs pending

On strong unique continuation of coupled Einstein metrics

Pin Yu, Willie Wai-Yeung Wong

arxiv:0904.0465 v2 · 2009-04-02 · math.AP · 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{TX3SL276O72W4KTZ2MKT4QKFYI}

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	2026-05-18T03:01:22.485649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9df725ebfe77f56e2a79d3153e4145c210530bf838ad68eb0dbb72f4362ca1dd

Aliases

arxiv: 0904.0465 · arxiv_version: 0904.0465v2 · doi: 10.48550/arxiv.0904.0465 · pith_short_12: TX3SL276O72W · pith_short_16: TX3SL276O72W4KTZ · pith_short_8: TX3SL276

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/TX3SL276O72W4KTZ2MKT4QKFYI \
  | 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: 9df725ebfe77f56e2a79d3153e4145c210530bf838ad68eb0dbb72f4362ca1dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03001dcb667376e601c53af1a7a621ec36ed96cd5be01db86326585ad1b3fef2",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2009-04-02T20:35:14Z",
    "title_canon_sha256": "0aa4c20c1b0db751ba1310163442556f092b2e8534eb499b3e3a0bdd2815aeb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.0465",
    "kind": "arxiv",
    "version": 2
  }
}