Pith Number

pith:4Y37C3CK

pith:2021:4Y37C3CKZOXVGVDA24R7NGHAVK

not attested not anchored not stored refs pending

DFCANet: Dense Feature Calibration-Attention Guided Network for Cross Domain Iris Presentation Attack Detection

Aman Verma, Gaurav Jaswal, Raghavendra Ramachandra, Sumantra Dutta Roy

arxiv:2111.00919 v1 · 2021-11-01 · 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{4Y37C3CKZOXVGVDA24R7NGHAVK}

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	2026-07-05T03:27:51.198167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e637f16c4acbaf535460d723f698e0aa92e1070532ffb94a2674721b8e8302ab

Aliases

arxiv: 2111.00919 · arxiv_version: 2111.00919v1 · doi: 10.48550/arxiv.2111.00919 · pith_short_12: 4Y37C3CKZOXV · pith_short_16: 4Y37C3CKZOXVGVDA · pith_short_8: 4Y37C3CK

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/4Y37C3CKZOXVGVDA24R7NGHAVK \
  | 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: e637f16c4acbaf535460d723f698e0aa92e1070532ffb94a2674721b8e8302ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4dfbbe601d9dc3386f8220bb653294a0390af39ac75519723abecab2cf80727",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-11-01T13:04:23Z",
    "title_canon_sha256": "6a4c5447b24aa9f14f1f67a6a3c9bd1263ca47c4da63dfe73a04c71bebc1abc9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.00919",
    "kind": "arxiv",
    "version": 1
  }
}