Pith Number

pith:U4TQX5LV

pith:2016:U4TQX5LVRULYWZ5FSRYISE2UME

not attested not anchored not stored refs pending

Classes of Weingarten Surfaces in S^2xR

Armando V Corro, Marcelo A. Souza, Romildo Pina

arxiv:1606.08479 v1 · 2016-06-27 · 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{U4TQX5LVRULYWZ5FSRYISE2UME}

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	2026-05-18T01:11:47.605483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7270bf5758d178b67a59470891354612c422c640564276b4909b79889047e3f

Aliases

arxiv: 1606.08479 · arxiv_version: 1606.08479v1 · doi: 10.48550/arxiv.1606.08479 · pith_short_12: U4TQX5LVRULY · pith_short_16: U4TQX5LVRULYWZ5F · pith_short_8: U4TQX5LV

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/U4TQX5LVRULYWZ5FSRYISE2UME \
  | 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: a7270bf5758d178b67a59470891354612c422c640564276b4909b79889047e3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4e013949a8fe1e675d342b33eec971850b14c5f9cbecdc43279789ff887a468",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2016-06-27T20:31:06Z",
    "title_canon_sha256": "4b3649fe3e6a6e9466baa715be55e9858425a11ad4ab23b4fa6e458d4dd27232"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.08479",
    "kind": "arxiv",
    "version": 1
  }
}