Pith Number

pith:IMRSXM6X

pith:2018:IMRSXM6X2AY3HXK7DTJGZH47XA

not attested not anchored not stored refs pending

ConvSRC: SmartPhone based Periocular Recognition using Deep Convolutional Neural Network and Sparsity Augmented Collaborative Representation

Amani Alahmadi, Hatim Aboalsamh, Mansour Zuair, Muhammad Hussain

arxiv:1801.05449 v1 · 2018-01-16 · 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{IMRSXM6X2AY3HXK7DTJGZH47XA}

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	2026-05-18T00:25:41.205619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43232bb3d7d031b3dd5f1cd26c9f9fb83fceac92df4f4feefff7c6f89409fcf3

Aliases

arxiv: 1801.05449 · arxiv_version: 1801.05449v1 · doi: 10.48550/arxiv.1801.05449 · pith_short_12: IMRSXM6X2AY3 · pith_short_16: IMRSXM6X2AY3HXK7 · pith_short_8: IMRSXM6X

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/IMRSXM6X2AY3HXK7DTJGZH47XA \
  | 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: 43232bb3d7d031b3dd5f1cd26c9f9fb83fceac92df4f4feefff7c6f89409fcf3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "712c6668644be622df17b4490b4b5a793915cd78cd560b54b26df4b9497b9a67",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-01-16T19:06:07Z",
    "title_canon_sha256": "163fb12db3705213b28752b264fa6b90ad63e88e44348aab27607dc46e144ac6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05449",
    "kind": "arxiv",
    "version": 1
  }
}