Pith Number

pith:SNT6KUPV

pith:2011:SNT6KUPV6PYRYO43LAPOQXWHDO

not attested not anchored not stored refs pending

Comparing Haar-Hilbert and Log-Gabor Based Iris Encoders on Bath Iris Image Database

Nicolaie Popescu-Bodorin, Valentina E. Balas

arxiv:1106.2357 v1 · 2011-06-12 · 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{SNT6KUPV6PYRYO43LAPOQXWHDO}

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	2026-05-18T04:20:05.923018Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9367e551f5f3f11c3b9b581ee85ec71b9aa6cccd8945c1487a571d4edf8835ab

Aliases

arxiv: 1106.2357 · arxiv_version: 1106.2357v1 · doi: 10.48550/arxiv.1106.2357 · pith_short_12: SNT6KUPV6PYR · pith_short_16: SNT6KUPV6PYRYO43 · pith_short_8: SNT6KUPV

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/SNT6KUPV6PYRYO43LAPOQXWHDO \
  | 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: 9367e551f5f3f11c3b9b581ee85ec71b9aa6cccd8945c1487a571d4edf8835ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bf2ac2a03c7d91c0b63fcf8f77bdc09b938a0ffc444dcfcbcc5066233314822",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2011-06-12T23:14:05Z",
    "title_canon_sha256": "2108965ca74a84eeeee649732ecbead62369a91d48fa28e872692fe5b5ff6250"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.2357",
    "kind": "arxiv",
    "version": 1
  }
}