Pith Number

pith:PTLPWF3Y

pith:2022:PTLPWF3YQW4BNBC5J4QJTNCWY4

not attested not anchored not stored refs pending

REx: Data-Free Residual Quantization Error Expansion

Arnaud Dapgony, Edouard Yvinec, Kevin Bailly, Matthieu Cord

arxiv:2203.14645 v3 · 2022-03-28 · 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{PTLPWF3YQW4BNBC5J4QJTNCWY4}

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	2026-07-05T06:14:34.409577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cd6fb177885b816845d4f2099b456c7370ed8a1119e270a947ae8c5e53e153d

Aliases

arxiv: 2203.14645 · arxiv_version: 2203.14645v3 · doi: 10.48550/arxiv.2203.14645 · pith_short_12: PTLPWF3YQW4B · pith_short_16: PTLPWF3YQW4BNBC5 · pith_short_8: PTLPWF3Y

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/PTLPWF3YQW4BNBC5J4QJTNCWY4 \
  | 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: 7cd6fb177885b816845d4f2099b456c7370ed8a1119e270a947ae8c5e53e153d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e4ab1e4a63ed15f1526430eec9a22de55e144b1908dfc693fa9d8ba4fc73d1e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-03-28T11:04:45Z",
    "title_canon_sha256": "b2d893f1364b78232a2be5d7fa02edffc7edfedd587dabcf5f437d0f55ac849e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.14645",
    "kind": "arxiv",
    "version": 3
  }
}