Pith Number

pith:O6OQHFEO

pith:2019:O6OQHFEOZVVP63DWN6I5YBEO2W

not attested not anchored not stored refs pending

OCT Fingerprints: Resilience to Presentation Attacks

Anil K. Jain, Tarang Chugh

arxiv:1908.00102 v1 · 2019-07-31 · 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{O6OQHFEOZVVP63DWN6I5YBEO2W}

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	2026-07-04T23:50:57.017224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

779d03948ecd6aff6c766f91dc048ed5975a7ffec06ebebac2c8842f2d9649b7

Aliases

arxiv: 1908.00102 · arxiv_version: 1908.00102v1 · doi: 10.48550/arxiv.1908.00102 · pith_short_12: O6OQHFEOZVVP · pith_short_16: O6OQHFEOZVVP63DW · pith_short_8: O6OQHFEO

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/O6OQHFEOZVVP63DWN6I5YBEO2W \
  | 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: 779d03948ecd6aff6c766f91dc048ed5975a7ffec06ebebac2c8842f2d9649b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "366e0ccb16d46c27b107233ccd9c80e1e056c8e91940cd90515e8acff2100088",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-07-31T21:18:34Z",
    "title_canon_sha256": "27953dc3031fe2d780f9492f76f73060db98624bfef615d53060ca9a50e643d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.00102",
    "kind": "arxiv",
    "version": 1
  }
}