Pith Number

pith:CCG4ZFNJ

pith:2017:CCG4ZFNJPUQNSPUCUSXMAUSH7Z

not attested not anchored not stored refs pending

On the geometry of folded cuspidal edges

Kentaro Saji, Ra\'ul Oset Sinha

arxiv:1706.02074 v2 · 2017-06-07 · 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{CCG4ZFNJPUQNSPUCUSXMAUSH7Z}

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	2026-05-18T00:27:57.293527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

108dcc95a97d20d93e82a4aec05247fe70af0932d97d67d63f53343ee1e658e9

Aliases

arxiv: 1706.02074 · arxiv_version: 1706.02074v2 · doi: 10.48550/arxiv.1706.02074 · pith_short_12: CCG4ZFNJPUQN · pith_short_16: CCG4ZFNJPUQNSPUC · pith_short_8: CCG4ZFNJ

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/CCG4ZFNJPUQNSPUCUSXMAUSH7Z \
  | 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: 108dcc95a97d20d93e82a4aec05247fe70af0932d97d67d63f53343ee1e658e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0dfd7b20147180fe44be9df46ba90db8e77dae94bf2a2908510150acc5b3af0e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2017-06-07T07:35:14Z",
    "title_canon_sha256": "8c2dc16fcb66684778c68a7cf35381fbfdef73e89cbeb70aa8bcfe5f93d1f4a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.02074",
    "kind": "arxiv",
    "version": 2
  }
}