Pith Number

pith:RWAH3KL4

pith:2013:RWAH3KL4NBZBK3KETU6GI4BF5X

not attested not anchored not stored refs pending

Variational Formulation of the Log-Aesthetic Surface and Development of Discrete Surface Filters

K. T. Miura, R. Shirahata, R.U. Gobithaasan, S. Agari, S. Usuki

arxiv:1304.7852 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{RWAH3KL4NBZBK3KETU6GI4BF5X}

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	2026-05-18T03:26:51.680810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d807da97c6872156d449d3c647025edd393f2eeda0600729496886a4cc70896

Aliases

arxiv: 1304.7852 · arxiv_version: 1304.7852v1 · doi: 10.48550/arxiv.1304.7852 · pith_short_12: RWAH3KL4NBZB · pith_short_16: RWAH3KL4NBZBK3KE · pith_short_8: RWAH3KL4

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/RWAH3KL4NBZBK3KETU6GI4BF5X \
  | 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: 8d807da97c6872156d449d3c647025edd393f2eeda0600729496886a4cc70896

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a7d849d835e88d4cfed943f42332b2007f768c08ccef12d3d66ba598711e063",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2013-04-30T03:41:31Z",
    "title_canon_sha256": "a4f068670f6ce08b9f9dc10dace81e11db6ad0da14655194eff35a0992be3d04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7852",
    "kind": "arxiv",
    "version": 1
  }
}