Pith Number

pith:4WOWFEKB

pith:2017:4WOWFEKBNYZVB2234N5IV6FAXP

not attested not anchored not stored refs pending

An integral formula for the $Q$-prime curvature in 3-dimensional CR geometry

Jeffrey S. Case, Jih-Hsin Cheng, Paul Yang

arxiv:1709.05367 v1 · 2017-09-15 · math.CV · 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{4WOWFEKBNYZVB2234N5IV6FAXP}

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	2026-05-18T00:35:01.010563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e59d6291416e3350eb5be37a8af8a0bbe5cabcae468c07efc1ebfbfa67dc31a9

Aliases

arxiv: 1709.05367 · arxiv_version: 1709.05367v1 · doi: 10.48550/arxiv.1709.05367 · pith_short_12: 4WOWFEKBNYZV · pith_short_16: 4WOWFEKBNYZVB223 · pith_short_8: 4WOWFEKB

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/4WOWFEKBNYZVB2234N5IV6FAXP \
  | 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: e59d6291416e3350eb5be37a8af8a0bbe5cabcae468c07efc1ebfbfa67dc31a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7c7fe0d58865fed23e18b3d2d7497f9a82c16b3e49360a41f86984209b137da",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2017-09-15T18:49:04Z",
    "title_canon_sha256": "f4f4fbcff5f64d9f3f71a14e668e07d0fde4714725b058a739ad4549a4c90c8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.05367",
    "kind": "arxiv",
    "version": 1
  }
}