Pith Number

pith:7EVBBVUK

pith:2014:7EVBBVUKHWJ2IE2IWLI7B2MAMC

not attested not anchored not stored refs pending

Central Affine Curve Flow on the Plane

Chuu-Lian Terng, Zhiwei Wu

arxiv:1405.4046 v1 · 2014-05-16 · math.DG · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7EVBBVUKHWJ2IE2IWLI7B2MAMC}

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	2026-05-18T02:51:41.225514Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f92a10d68a3d93a41348b2d1f0e98060a0cc1a319448913f6600551b9c668903

Aliases

arxiv: 1405.4046 · arxiv_version: 1405.4046v1 · doi: 10.48550/arxiv.1405.4046 · pith_short_12: 7EVBBVUKHWJ2 · pith_short_16: 7EVBBVUKHWJ2IE2I · pith_short_8: 7EVBBVUK

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/7EVBBVUKHWJ2IE2IWLI7B2MAMC \
  | 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: f92a10d68a3d93a41348b2d1f0e98060a0cc1a319448913f6600551b9c668903

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cad6157dd872d9a863578328f3fa521848d35bbd8151788aaa306b60645af33b",
    "cross_cats_sorted": [
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-05-16T01:27:52Z",
    "title_canon_sha256": "2a94430c79af1f674ffb579a437a59f8306a77fdcdcc9fc3f20641ed902571ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.4046",
    "kind": "arxiv",
    "version": 1
  }
}