Pith Number

pith:66T6JSOM

pith:2018:66T6JSOMDKWSJATL23VHEWD6ET

not attested not anchored not stored refs pending

The cut locus of a Randers rotational 2-sphere of revolution

Jaipong Kasemsuwan, Rattanasak Hama, Sorin V. Sabau

arxiv:1808.03381 v1 · 2018-08-10 · 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{66T6JSOMDKWSJATL23VHEWD6ET}

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	2026-05-18T00:08:25.209071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7a7e4c9cc1aad24826bd6ea72587e24ccba1a45bd3cda7a715c59a04a562bd1

Aliases

arxiv: 1808.03381 · arxiv_version: 1808.03381v1 · doi: 10.48550/arxiv.1808.03381 · pith_short_12: 66T6JSOMDKWS · pith_short_16: 66T6JSOMDKWSJATL · pith_short_8: 66T6JSOM

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/66T6JSOMDKWSJATL23VHEWD6ET \
  | 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: f7a7e4c9cc1aad24826bd6ea72587e24ccba1a45bd3cda7a715c59a04a562bd1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c949942c70e0029c6b1b700e69b4a2e627df9019e3a640e7cac659a9a6d5237",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-08-10T01:07:28Z",
    "title_canon_sha256": "f90601603cce0acb84cbbc5b84977414ed787a53243f3f1bbd9a2b8e6697ee22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.03381",
    "kind": "arxiv",
    "version": 1
  }
}