Pith Number

pith:CSH7VTZR

pith:2017:CSH7VTZRDXPJTCHY5PUAXRH3KW

not attested not anchored not stored refs pending

Invariant surface area functionals and singular Yamabe problem in 3-dimensional CR geometry

Jih-Hsin Cheng, Paul Yang, Yongbing Zhang

arxiv:1711.04120 v1 · 2017-11-11 · 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{CSH7VTZRDXPJTCHY5PUAXRH3KW}

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	2026-05-18T00:30:49.981584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

148ffacf311dde9988f8ebe80bc4fb558e58c1593aaf0837ec07cc7375872e5d

Aliases

arxiv: 1711.04120 · arxiv_version: 1711.04120v1 · doi: 10.48550/arxiv.1711.04120 · pith_short_12: CSH7VTZRDXPJ · pith_short_16: CSH7VTZRDXPJTCHY · pith_short_8: CSH7VTZR

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/CSH7VTZRDXPJTCHY5PUAXRH3KW \
  | 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: 148ffacf311dde9988f8ebe80bc4fb558e58c1593aaf0837ec07cc7375872e5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61cfc24f226b953f58f6fbaa7377fa34b57fac0ba001ded2c116ca9423304865",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-11-11T11:46:36Z",
    "title_canon_sha256": "66e7cf7c0a59a67e8a642da98233ddb537d09694f55d84a05908a0e6a0275147"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.04120",
    "kind": "arxiv",
    "version": 1
  }
}