Pith Number

pith:WMUSFNUS

pith:2011:WMUSFNUSPJ67USQUUNOW6TKG5M

not attested not anchored not stored refs pending

A note on the uniqueness of solutions for the Yamabe problem

L. L. de Lima, M. Zedda, P. Piccione

arxiv:1102.2321 v4 · 2011-02-11 · 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{WMUSFNUSPJ67USQUUNOW6TKG5M}

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	2026-05-18T04:20:22.029604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b32922b6927a7dfa4a14a35d6f4d46eb0efc936995a8c9c8d81c5a7aaebe6480

Aliases

arxiv: 1102.2321 · arxiv_version: 1102.2321v4 · doi: 10.48550/arxiv.1102.2321 · pith_short_12: WMUSFNUSPJ67 · pith_short_16: WMUSFNUSPJ67USQU · pith_short_8: WMUSFNUS

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/WMUSFNUSPJ67USQUUNOW6TKG5M \
  | 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: b32922b6927a7dfa4a14a35d6f4d46eb0efc936995a8c9c8d81c5a7aaebe6480

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6204054db9a364106677c18b74e3a553942c82142ac258c1bf994281f54f3a63",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2011-02-11T10:42:52Z",
    "title_canon_sha256": "d0aac6b44b589eca01701d8a54cdbaf0777a13d48a6593ee8bd2079812919c31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.2321",
    "kind": "arxiv",
    "version": 4
  }
}