Pith Number

pith:5K6R2HRP

pith:2018:5K6R2HRPHLRCKEKX2RRGXPPQGV

not attested not anchored not stored refs pending

A Multi-Face Challenging Dataset for Robust Face Recognition

Shiv Ram Dubey, Snehasis Mukherjee

arxiv:1810.01898 v2 · 2018-09-30 · 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{5K6R2HRPHLRCKEKX2RRGXPPQGV}

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	2026-05-17T23:50:02.455935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eabd1d1e2f3ae2251157d4626bbdf0357b4645097283a06d0094387a7d62f934

Aliases

arxiv: 1810.01898 · arxiv_version: 1810.01898v2 · doi: 10.48550/arxiv.1810.01898 · pith_short_12: 5K6R2HRPHLRC · pith_short_16: 5K6R2HRPHLRCKEKX · pith_short_8: 5K6R2HRP

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/5K6R2HRPHLRCKEKX2RRGXPPQGV \
  | 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: eabd1d1e2f3ae2251157d4626bbdf0357b4645097283a06d0094387a7d62f934

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18b6c45b72d6786c4a626f2001f62aaeb92d576ecd904a5d7b35e256876d857e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-09-30T07:04:59Z",
    "title_canon_sha256": "8fda18a7f73fb619a8b4f8b6d47f9508aa8ad7c5d07b308dd78c2657573d53c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.01898",
    "kind": "arxiv",
    "version": 2
  }
}