Pith Number

pith:5IZH3EKB

pith:2014:5IZH3EKBHS3XPBFL47MKYLC2VF

not attested not anchored not stored refs pending

Simply Connected Manifolds with Infinitely Many Toric Contact Structures and Constant Scalar Curvature Sasaki Metrics

Charles P. Boyer, Christina W. T{\o}nnesen-Friedman

arxiv:1404.3999 v1 · 2014-04-15 · math.DG · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5IZH3EKBHS3XPBFL47MKYLC2VF}

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	2026-05-18T02:54:13.179074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea327d91413cb77784abe7d8ac2c5aa943edb3d9f9f2ecb8e1d942905acd09ee

Aliases

arxiv: 1404.3999 · arxiv_version: 1404.3999v1 · doi: 10.48550/arxiv.1404.3999 · pith_short_12: 5IZH3EKBHS3X · pith_short_16: 5IZH3EKBHS3XPBFL · pith_short_8: 5IZH3EKB

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/5IZH3EKBHS3XPBFL47MKYLC2VF \
  | 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: ea327d91413cb77784abe7d8ac2c5aa943edb3d9f9f2ecb8e1d942905acd09ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1dc65693ba3df4109df51e4df44cd9bed61f8563d45e4e965e5ff5ffc7f8bdcd",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-04-15T17:47:03Z",
    "title_canon_sha256": "d271e04d6d9fc5b3a10ca48a9be9f0f69d9d2d7f5aa00907781eec9cc7135439"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.3999",
    "kind": "arxiv",
    "version": 1
  }
}