Pith Number

pith:DZJFVYSJ

pith:2020:DZJFVYSJ5VW5QZRWO26CE2XL3Y

not attested not anchored not stored refs pending

Morton Filters for Superior Template Protection for Iris Recognition

Christoph Busch, Kiran B. Raja, R. Raghavendra, Sushma Venkatesh

arxiv:2001.05290 v1 · 2020-01-15 · cs.CV · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DZJFVYSJ5VW5QZRWO26CE2XL3Y}

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	2026-07-05T00:33:40.898821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e525ae249ed6dd8663676bc226aebde0d6f7dbced82ad065960186b235100d4

Aliases

arxiv: 2001.05290 · arxiv_version: 2001.05290v1 · doi: 10.48550/arxiv.2001.05290 · pith_short_12: DZJFVYSJ5VW5 · pith_short_16: DZJFVYSJ5VW5QZRW · pith_short_8: DZJFVYSJ

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/DZJFVYSJ5VW5QZRWO26CE2XL3Y \
  | 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: 1e525ae249ed6dd8663676bc226aebde0d6f7dbced82ad065960186b235100d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a575404d73e7d7490b3a90c9967a5057efb696f9819c497029589172eda5fbc",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-01-15T13:15:33Z",
    "title_canon_sha256": "fe05540fb91c6c6f12d82d13163b86ab408ecf608017aaaf4556f76ee4921def"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.05290",
    "kind": "arxiv",
    "version": 1
  }
}