Pith Number

pith:HZKJGOLY

pith:2014:HZKJGOLYHZZH2DQODWFP3E5KHV

not attested not anchored not stored refs pending

Positive curvature and rational ellipticity

Lee Kennard, Manuel Amann

arxiv:1403.1440 v1 · 2014-03-06 · math.DG · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HZKJGOLYHZZH2DQODWFP3E5KHV}

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	2026-05-18T01:31:46.725919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e549339783e727d0e0e1d8afd93aa3d7ac111b7dcd9473e498491063825462d

Aliases

arxiv: 1403.1440 · arxiv_version: 1403.1440v1 · doi: 10.48550/arxiv.1403.1440 · pith_short_12: HZKJGOLYHZZH · pith_short_16: HZKJGOLYHZZH2DQO · pith_short_8: HZKJGOLY

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/HZKJGOLYHZZH2DQODWFP3E5KHV \
  | 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: 3e549339783e727d0e0e1d8afd93aa3d7ac111b7dcd9473e498491063825462d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aecb64ef9b6b612bde77118e6dd87277cbad543bc3c3e1a13c4d9fc68a4b92c8",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-03-06T13:35:27Z",
    "title_canon_sha256": "b36a250d9f22ada297e720dcecf8e320b785477e3f8974a57809cfd1fa047179"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.1440",
    "kind": "arxiv",
    "version": 1
  }
}