Pith Number

pith:CNG5ASWM

pith:2014:CNG5ASWMJGMHSXMHCZYYX2FHT3

not attested not anchored not stored refs pending

Self-Shrinkers With Second Fundamental Form of Constant Length

Qiang Guang

arxiv:1405.4230 v1 · 2014-05-16 · 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{CNG5ASWMJGMHSXMHCZYYX2FHT3}

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	2026-05-18T00:21:59.458934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

134dd04acc4998795d8716718be8a79ed28eefba270f522a682543935bcfaf17

Aliases

arxiv: 1405.4230 · arxiv_version: 1405.4230v1 · doi: 10.48550/arxiv.1405.4230 · pith_short_12: CNG5ASWMJGMH · pith_short_16: CNG5ASWMJGMHSXMH · pith_short_8: CNG5ASWM

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/CNG5ASWMJGMHSXMHCZYYX2FHT3 \
  | 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: 134dd04acc4998795d8716718be8a79ed28eefba270f522a682543935bcfaf17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "808d4b6828b58cdade08bfd913bf38f28182dc9f38b754c2accef723f17b7b4a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-05-16T16:21:41Z",
    "title_canon_sha256": "a9c6e8af0a378f09a74d444e18e1019d81c9077f39484083cdc9c90f6b0e4275"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.4230",
    "kind": "arxiv",
    "version": 1
  }
}