Pith Number

pith:342Y7TLP

pith:2017:342Y7TLPFBKRZCF3O7E4MRCVVD

not attested not anchored not stored refs pending

Guetzli: Perceptually Guided JPEG Encoder

Jan Wassenberg, Jyrki Alakuijala, Lode Vandevenne, Ostap Stoliarchuk, Robert Obryk, Zoltan Szabadka

arxiv:1703.04421 v1 · 2017-03-13 · cs.CV · cs.HC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{342Y7TLPFBKRZCF3O7E4MRCVVD}

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	2026-05-18T00:48:48.667906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df358fcd6f28551c88bb77c9c64455a8e227e0b43ce02cf91790f9faf185f3ba

Aliases

arxiv: 1703.04421 · arxiv_version: 1703.04421v1 · doi: 10.48550/arxiv.1703.04421 · pith_short_12: 342Y7TLPFBKR · pith_short_16: 342Y7TLPFBKRZCF3 · pith_short_8: 342Y7TLP

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/342Y7TLPFBKRZCF3O7E4MRCVVD \
  | 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: df358fcd6f28551c88bb77c9c64455a8e227e0b43ce02cf91790f9faf185f3ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c5494922bfc73cb23fa21e823d96af9bb1e5a85abd859aeda6e91aa92d86c1f",
    "cross_cats_sorted": [
      "cs.HC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-03-13T14:40:08Z",
    "title_canon_sha256": "34b103471f5901a7baa0c5a2119b47af05c8b8bada09af49554071cf676b85e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.04421",
    "kind": "arxiv",
    "version": 1
  }
}