Pith Number

pith:B3R5JGDZ

pith:2014:B3R5JGDZEI2Z2DJEECAQZKVZT2

not attested not anchored not stored refs pending

Seeing through bag-of-visual-word glasses: towards understanding quantization effects in feature extraction methods

Alexander Freytag, Erik Rodner, Joachim Denzler, Johannes R\"uhle, Paul Bodesheim

arxiv:1408.4692 v1 · 2014-08-20 · 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{B3R5JGDZEI2Z2DJEECAQZKVZT2}

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	2026-05-18T02:44:48.356050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ee3d4987922359d0d2420810caab99e93b5fdd41e07a588ed463251389f0f43

Aliases

arxiv: 1408.4692 · arxiv_version: 1408.4692v1 · doi: 10.48550/arxiv.1408.4692 · pith_short_12: B3R5JGDZEI2Z · pith_short_16: B3R5JGDZEI2Z2DJE · pith_short_8: B3R5JGDZ

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/B3R5JGDZEI2Z2DJEECAQZKVZT2 \
  | 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: 0ee3d4987922359d0d2420810caab99e93b5fdd41e07a588ed463251389f0f43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bba70279b794c448c50d0a33ffd8fffb95f19e99f435f64be2091f55fbbd9359",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2014-08-20T15:16:10Z",
    "title_canon_sha256": "fee3c84d0c5013e2da5b873de59889b647d07dfdec337ea6920dbec7c212fa9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.4692",
    "kind": "arxiv",
    "version": 1
  }
}