Pith Number

pith:ZCAAYJIR

pith:2021:ZCAAYJIRMI6YIXWMGHRVL6LSLE

not attested not anchored not stored refs pending

Cross-Quality LFW: A Database for Analyzing Cross-Resolution Image Face Recognition in Unconstrained Environments

Gerhard Rigoll, Martin Knoche, Stefan H\"ormann

arxiv:2108.10290 v3 · 2021-08-23 · 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{ZCAAYJIRMI6YIXWMGHRVL6LSLE}

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	2026-07-05T05:19:11.281885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8800c2511623d845ecc31e355f972593efa5e64127f9b051067e6b5976cc5ec

Aliases

arxiv: 2108.10290 · arxiv_version: 2108.10290v3 · doi: 10.48550/arxiv.2108.10290 · pith_short_12: ZCAAYJIRMI6Y · pith_short_16: ZCAAYJIRMI6YIXWM · pith_short_8: ZCAAYJIR

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/ZCAAYJIRMI6YIXWMGHRVL6LSLE \
  | 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: c8800c2511623d845ecc31e355f972593efa5e64127f9b051067e6b5976cc5ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2abe66c7c1f2e2f86ddc181546fd10ad27d5cd7adcceacbd075fb95009bc4130",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-08-23T17:04:32Z",
    "title_canon_sha256": "9732f6437e9fda15784f89c3341ccd05e08a6f8f2b7cb1aac0b5df8a1649c2cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.10290",
    "kind": "arxiv",
    "version": 3
  }
}