Pith Number

pith:RJDP4MUG

pith:2018:RJDP4MUGRWUHPV2RHSGY5X4DFK

not attested not anchored not stored refs pending

Interior and exterior curves of finite Blaschke products

Masayo Fujimura

arxiv:1802.08416 v1 · 2018-02-23 · 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{RJDP4MUGRWUHPV2RHSGY5X4DFK}

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	2026-05-18T00:06:40.619915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a46fe32868da877d7513c8d8edf832abb6afe4dd7ee966369bc639b568ca283

Aliases

arxiv: 1802.08416 · arxiv_version: 1802.08416v1 · doi: 10.48550/arxiv.1802.08416 · pith_short_12: RJDP4MUGRWUH · pith_short_16: RJDP4MUGRWUHPV2R · pith_short_8: RJDP4MUG

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/RJDP4MUGRWUHPV2RHSGY5X4DFK \
  | 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: 8a46fe32868da877d7513c8d8edf832abb6afe4dd7ee966369bc639b568ca283

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f05c2309b35f37a8bfa216c1933ee9bcf804c9a5e64919aa30901a5011b03dd0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2018-02-23T07:26:04Z",
    "title_canon_sha256": "44705926211aea28bb696041462c885be81f40232141581d8d2fb36b0414132b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08416",
    "kind": "arxiv",
    "version": 1
  }
}