Pith Number

pith:PQFR6MAR

pith:2022:PQFR6MARK2QAIRYOFXZ4MKLDNX

not attested not anchored not stored refs pending

Anomaly Detection in Retinal Images using Multi-Scale Deep Feature Sparse Coding

Dwarikanath Mahapatra, Nisarg A. Shah, Saikat Dutta, Sourya Dipta Das, Zongyuan Ge

arxiv:2201.11506 v1 · 2022-01-27 · 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{PQFR6MARK2QAIRYOFXZ4MKLDNX}

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	2026-07-05T03:52:02.803243Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c0b1f301156a004470e2df3c629636df182f95dad0da3aa1b2d1d9ea531938d

Aliases

arxiv: 2201.11506 · arxiv_version: 2201.11506v1 · doi: 10.48550/arxiv.2201.11506 · pith_short_12: PQFR6MARK2QA · pith_short_16: PQFR6MARK2QAIRYO · pith_short_8: PQFR6MAR

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/PQFR6MARK2QAIRYOFXZ4MKLDNX \
  | 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: 7c0b1f301156a004470e2df3c629636df182f95dad0da3aa1b2d1d9ea531938d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17f9dabeeea4f20ade7775b38744bd41a1a8e72e62773c2699747eaa1df867ee",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-01-27T13:36:22Z",
    "title_canon_sha256": "358bd1111f1c786d7298f66cb61a8b55ad42ee1f3582239c072a09477a68837f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.11506",
    "kind": "arxiv",
    "version": 1
  }
}