Pith Number

pith:D7FFVUVX

pith:2013:D7FFVUVXMFV7FRG2XBQB6MJNBJ

not attested not anchored not stored refs pending

Various Types of Aesthetic Curves

R.U. Gobithaasan

arxiv:1304.7881 v1 · 2013-04-30 · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D7FFVUVXMFV7FRG2XBQB6MJNBJ}

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	2026-05-18T03:26:51.502783Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fca5ad2b7616bf2c4dab8601f312d0a589d43087776b67e6d1b59c61cf68786

Aliases

arxiv: 1304.7881 · arxiv_version: 1304.7881v1 · doi: 10.48550/arxiv.1304.7881 · pith_short_12: D7FFVUVXMFV7 · pith_short_16: D7FFVUVXMFV7FRG2 · pith_short_8: D7FFVUVX

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/D7FFVUVXMFV7FRG2XBQB6MJNBJ \
  | 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: 1fca5ad2b7616bf2c4dab8601f312d0a589d43087776b67e6d1b59c61cf68786

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3fb25ce1b5d6e721eb33d1eeab107dcbfed2006f4e650ef6e41fd3d3da95b270",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2013-04-30T05:25:31Z",
    "title_canon_sha256": "0b78784e799c096985f1015c70089577e5d19ed2834d0faa14f4e3d0a6c0afed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7881",
    "kind": "arxiv",
    "version": 1
  }
}