Pith Number

pith:QLPVCFKW

pith:2022:QLPVCFKWZ5ZF4HDURNKSET5UMI

not attested not anchored not stored refs pending

Shift-tolerant Perceptual Similarity Metric

Abhijay Ghildyal, Feng Liu

arxiv:2207.13686 v1 · 2022-07-27 · 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{QLPVCFKWZ5ZF4HDURNKSET5UMI}

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	2026-07-05T04:44:09.592284Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82df511556cf725e1c748b55224fb462328e2b0ebea11111f9f816940242b3e8

Aliases

arxiv: 2207.13686 · arxiv_version: 2207.13686v1 · doi: 10.48550/arxiv.2207.13686 · pith_short_12: QLPVCFKWZ5ZF · pith_short_16: QLPVCFKWZ5ZF4HDU · pith_short_8: QLPVCFKW

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/QLPVCFKWZ5ZF4HDURNKSET5UMI \
  | 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: 82df511556cf725e1c748b55224fb462328e2b0ebea11111f9f816940242b3e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7e79b0f769c384cdad98d1e19f9856af807be24b402ede1077a6cfcd80395c8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-07-27T17:55:04Z",
    "title_canon_sha256": "9c3875a273c0eda50b1e46e26ee094289293c0cc68c1d598e07a9ea01d1ad24b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.13686",
    "kind": "arxiv",
    "version": 1
  }
}