Pith Number

pith:PPDEPD2O

pith:2018:PPDEPD2OLHRRUSXTM4LROWJWFJ

not attested not anchored not stored refs pending

Visual Psychophysics for Making Face Recognition Algorithms More Explainable

Brandon RichardWebster, Christopher Clarizio, Samuel E. Anthony, So Yon Kwon, Walter J. Scheirer

arxiv:1803.07140 v2 · 2018-03-19 · 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{PPDEPD2OLHRRUSXTM4LROWJWFJ}

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	2026-05-18T00:10:16.944795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bc6478f4e59e31a4af367171759362a5f0e98348130e28a01d1a3d09de7cdc8

Aliases

arxiv: 1803.07140 · arxiv_version: 1803.07140v2 · doi: 10.48550/arxiv.1803.07140 · pith_short_12: PPDEPD2OLHRR · pith_short_16: PPDEPD2OLHRRUSXT · pith_short_8: PPDEPD2O

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/PPDEPD2OLHRRUSXTM4LROWJWFJ \
  | 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: 7bc6478f4e59e31a4af367171759362a5f0e98348130e28a01d1a3d09de7cdc8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e190ff22ad978bf20cbca3f5e59a81d9f6f47ae408cb442988725880c5bf3bb4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-03-19T19:50:54Z",
    "title_canon_sha256": "4e0262bf602d3a07653c341d8fb4b61768bb908a7d1554949b850e4eed91967e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.07140",
    "kind": "arxiv",
    "version": 2
  }
}