Pith Number

pith:RDH74MFU

pith:2023:RDH74MFU7GST7M4QFKFNSVMIDX

not attested not anchored not stored refs pending

On the Areas of Genus Zero Free Boundary Minimal Surfaces Embedded in the Unit $3$-ball

Jiahua Zou, Peter McGrath

arxiv:2301.01892 v2 · 2023-01-05 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RDH74MFU7GST7M4QFKFNSVMIDX}

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	2026-07-05T05:48:46.933466Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88cffe30b4f9a53fb3902a8ad955881deb251bea2b648fe7ce366affd82a2c4d

Aliases

arxiv: 2301.01892 · arxiv_version: 2301.01892v2 · doi: 10.48550/arxiv.2301.01892 · pith_short_12: RDH74MFU7GST · pith_short_16: RDH74MFU7GST7M4Q · pith_short_8: RDH74MFU

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/RDH74MFU7GST7M4QFKFNSVMIDX \
  | 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: 88cffe30b4f9a53fb3902a8ad955881deb251bea2b648fe7ce366affd82a2c4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36ee236124382b4ec59403ee3f554c334162a07d9b10769b99d1db0799f78db2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2023-01-05T03:41:16Z",
    "title_canon_sha256": "bbed0af67e77946047f7240d53cf34ce0d69fe4f666b29955d43e62d9b3ab671"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.01892",
    "kind": "arxiv",
    "version": 2
  }
}