Pith Number

pith:ZEDNYMY7

pith:2013:ZEDNYMY7C2AAQ5UULKF33A3VHF

not attested not anchored not stored refs pending

Locally CR Spherical Three Manifolds

Howard Jacobowitz

arxiv:1303.5286 v1 · 2013-03-21 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZEDNYMY7C2AAQ5UULKF33A3VHF}

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	2026-05-18T03:30:13.299903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c906dc331f16800876945a8bbd837539714ae70227237856028f7a8afbb2368e

Aliases

arxiv: 1303.5286 · arxiv_version: 1303.5286v1 · doi: 10.48550/arxiv.1303.5286 · pith_short_12: ZEDNYMY7C2AA · pith_short_16: ZEDNYMY7C2AAQ5UU · pith_short_8: ZEDNYMY7

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/ZEDNYMY7C2AAQ5UULKF33A3VHF \
  | 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: c906dc331f16800876945a8bbd837539714ae70227237856028f7a8afbb2368e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14dc0a7dad900638075b037a3bda8a24be92b5e985351dc279c4d48f15450b00",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2013-03-21T15:07:36Z",
    "title_canon_sha256": "c32531b1b93215810177006393215f2f544a40805ec04c42f9f8d45e0f070a4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.5286",
    "kind": "arxiv",
    "version": 1
  }
}