Pith Number

pith:JUPF3CPS

pith:2015:JUPF3CPS723NUWE4MXFGIEAE3T

not attested not anchored not stored refs pending

Geometric studies on the class ${\mathcal U}(\lambda)$

Karl-Joachim Wirths, Milutin Obradovi\'c, Saminathan Ponnusamy

arxiv:1503.02451 v3 · 2015-03-09 · 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{JUPF3CPS723NUWE4MXFGIEAE3T}

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	2026-05-18T01:32:10.484197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d1e5d89f2feb6da589c65ca641004dcfd6d4869ec2c2c6d3d0811831ff8e311

Aliases

arxiv: 1503.02451 · arxiv_version: 1503.02451v3 · doi: 10.48550/arxiv.1503.02451 · pith_short_12: JUPF3CPS723N · pith_short_16: JUPF3CPS723NUWE4 · pith_short_8: JUPF3CPS

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/JUPF3CPS723NUWE4MXFGIEAE3T \
  | 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: 4d1e5d89f2feb6da589c65ca641004dcfd6d4869ec2c2c6d3d0811831ff8e311

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53d28ee8b006425c2c7f26b041d4ae347dfbc3a0028610b0e3a427d83b25f10c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2015-03-09T12:24:39Z",
    "title_canon_sha256": "eb4ec488588b4ea76f39466a531c681d3b1808ff06efcbc11035d9eb9bca6287"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.02451",
    "kind": "arxiv",
    "version": 3
  }
}