Pith Number

pith:GYEPFWGT

pith:2026:GYEPFWGTHW5ZRS4T3NZLFNXYUK

not attested not anchored not stored refs pending

Optimizing Image Preparation and Compression for Face Recognition within 1024 Bytes

Christoph Busch, Paul Andreas, Torsten Schlett

arxiv:2606.30321 v1 · 2026-06-29 · 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{GYEPFWGTHW5ZRS4T3NZLFNXYUK}

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	2026-06-30T02:18:10.233611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3608f2d8d33dbb98cb93db72b2b6f8a282f59e22ac896e792066dadc588ac044

Aliases

arxiv: 2606.30321 · arxiv_version: 2606.30321v1 · doi: 10.48550/arxiv.2606.30321 · pith_short_12: GYEPFWGTHW5Z · pith_short_16: GYEPFWGTHW5ZRS4T · pith_short_8: GYEPFWGT

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/GYEPFWGTHW5ZRS4T3NZLFNXYUK \
  | 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: 3608f2d8d33dbb98cb93db72b2b6f8a282f59e22ac896e792066dadc588ac044

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a444db82495c422b3edb92a54ba1ce61fc47f217e54c453e3075ca5e6df70c08",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-06-29T14:04:01Z",
    "title_canon_sha256": "30d16355d6547bbaaf69cb05f3e303106d1804a2948c86d39a66e0719ba56ed8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.30321",
    "kind": "arxiv",
    "version": 1
  }
}