Pith Number

pith:DNQQPDF4

pith:2017:DNQQPDF43V66NG5MMA5A3DSEGN

not attested not anchored not stored refs pending

Conformal scalar curvature equation on S^n: functions with two close critical points (twin pseudo-peaks)

Feng Zhou, Man Chun Leung

arxiv:1701.06277 v1 · 2017-01-23 · 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{DNQQPDF43V66NG5MMA5A3DSEGN}

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	2026-05-18T00:52:18.777171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b61078cbcdd7de69bac603a0d8e4433430dc3253b19521a6b4247f8b2b6748d

Aliases

arxiv: 1701.06277 · arxiv_version: 1701.06277v1 · doi: 10.48550/arxiv.1701.06277 · pith_short_12: DNQQPDF43V66 · pith_short_16: DNQQPDF43V66NG5M · pith_short_8: DNQQPDF4

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/DNQQPDF43V66NG5MMA5A3DSEGN \
  | 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: 1b61078cbcdd7de69bac603a0d8e4433430dc3253b19521a6b4247f8b2b6748d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e49f937804c7e2dd0ddbc84b9711136817a97b4c7ea048c5d0fbfde052e7461",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-01-23T07:08:12Z",
    "title_canon_sha256": "507937733669a795381a21391a2c5449b057e327c503dd376cdde537d1f9b598"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06277",
    "kind": "arxiv",
    "version": 1
  }
}