Pith Number

pith:QKAFACV4

pith:2025:QKAFACV4SUUIHGOZP673S2UOL2

not attested not anchored not stored refs pending

Per-Query Visual Concept Learning

Dvir Samuel, Gal Chechik, Ori Malca

arxiv:2508.09045 v1 · 2025-08-12 · 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{QKAFACV4SUUIHGOZP673S2UOL2}

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	2026-07-05T11:52:38.974497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8280500abc95288399d97fbfb96a8e5e819fe2649c2034e3598e14a342b55918

Aliases

arxiv: 2508.09045 · arxiv_version: 2508.09045v1 · doi: 10.48550/arxiv.2508.09045 · pith_short_12: QKAFACV4SUUI · pith_short_16: QKAFACV4SUUIHGOZ · pith_short_8: QKAFACV4

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/QKAFACV4SUUIHGOZP673S2UOL2 \
  | 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: 8280500abc95288399d97fbfb96a8e5e819fe2649c2034e3598e14a342b55918

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d66f8af0cdf2dea601004059e4c9aa18afc1819138b6db265493fa0b156d98b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-08-12T16:07:27Z",
    "title_canon_sha256": "8c23711f7ef255de1fe95721f7e04b21bf8cccf66b9ded04e21655333137c922"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.09045",
    "kind": "arxiv",
    "version": 1
  }
}