Pith Number

pith:KDWMEIBO

pith:2018:KDWMEIBOGKIAVDNWBBPNJNOJ63

not attested not anchored not stored refs pending

$\sigma_2$ Yamabe problem on conic 4-spheres

Hao Fang, Wei Wei

arxiv:1810.05073 v2 · 2018-10-11 · math.DG · math.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KDWMEIBOGKIAVDNWBBPNJNOJ63}

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	2026-05-17T23:48:40.122499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50ecc2202e32900a8db6085ed4b5c9f6e9a5e3aa5f555bda0c271e7062d025a9

Aliases

arxiv: 1810.05073 · arxiv_version: 1810.05073v2 · doi: 10.48550/arxiv.1810.05073 · pith_short_12: KDWMEIBOGKIA · pith_short_16: KDWMEIBOGKIAVDNW · pith_short_8: KDWMEIBO

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/KDWMEIBOGKIAVDNWBBPNJNOJ63 \
  | 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: 50ecc2202e32900a8db6085ed4b5c9f6e9a5e3aa5f555bda0c271e7062d025a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d3f7a9bd3a7ffc83f6b1297a4b5500eefce2c8556b5a881ed6e93ba72ba4892",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-10-11T15:17:44Z",
    "title_canon_sha256": "16658a7f497af7f201bf11602e12a55d6092a53df001ccbf578f4bb87b26cfc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.05073",
    "kind": "arxiv",
    "version": 2
  }
}