Pith Number

pith:WVUJZ7R2

pith:2013:WVUJZ7R2EXN3TFKWMXXMRHLHJB

not attested not anchored not stored refs pending

A novel approach to nose-tip and eye corners detection using H-K Curvature Analysis in case of 3D images

Debotosh Bhattacharjee, Dipak Kumar Basu, Mita Nasipuri, Parama Bagchi

arxiv:1309.4582 v1 · 2013-09-18 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WVUJZ7R2EXN3TFKWMXXMRHLHJB}

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	2026-05-18T03:12:58.947030Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5689cfe3a25dbb9955665eec89d674874678f39306e2531c46d8b1dbcd43851

Aliases

arxiv: 1309.4582 · arxiv_version: 1309.4582v1 · doi: 10.48550/arxiv.1309.4582 · pith_short_12: WVUJZ7R2EXN3 · pith_short_16: WVUJZ7R2EXN3TFKW · pith_short_8: WVUJZ7R2

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/WVUJZ7R2EXN3TFKWMXXMRHLHJB \
  | 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: b5689cfe3a25dbb9955665eec89d674874678f39306e2531c46d8b1dbcd43851

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b57bda5c79e5e4cb56b6ebdb29b7b3ace096dfd5b1223446a6bc97e42492c50d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-09-18T09:02:56Z",
    "title_canon_sha256": "526140f139961b7d387c11b0fbb2328f271c0eed0a3d60deda502c6265892bb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4582",
    "kind": "arxiv",
    "version": 1
  }
}