Pith Number

pith:L6J6UWGH

pith:2017:L6J6UWGHPCQ3VOAFYOMG7NLVJC

not attested not anchored not stored refs pending

Can you tell where in India I am from? Comparing humans and computers on fine-grained race face classification

Harish Katti, S. P. Arun

arxiv:1703.07595 v2 · 2017-03-22 · 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{L6J6UWGHPCQ3VOAFYOMG7NLVJC}

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	2026-05-18T00:23:09.049075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f93ea58c778a1bab805c3986fb5754898ec2cebb17169a0e3f20062e91b55dc

Aliases

arxiv: 1703.07595 · arxiv_version: 1703.07595v2 · doi: 10.48550/arxiv.1703.07595 · pith_short_12: L6J6UWGHPCQ3 · pith_short_16: L6J6UWGHPCQ3VOAF · pith_short_8: L6J6UWGH

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/L6J6UWGHPCQ3VOAFYOMG7NLVJC \
  | 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: 5f93ea58c778a1bab805c3986fb5754898ec2cebb17169a0e3f20062e91b55dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "905921651e701e7b06331a3e64a1c458562bec0b802f3f6d27a8d3065fa5f7a8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-03-22T10:35:58Z",
    "title_canon_sha256": "4ab8bde68854227d49875de995c053bdb23090852df62400c9d0435d0c9add6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.07595",
    "kind": "arxiv",
    "version": 2
  }
}