Pith Number

pith:7EV7BDAE

pith:2015:7EV7BDAEBV4EHLXETKWVYFVUWB

not attested not anchored not stored refs pending

Vector Quantization by Minimizing Kullback-Leibler Divergence

Jingbin Wang, Lan Yang, Nelson Cardoso, Prarthana Mahapatra, Yujin Tu

arxiv:1501.07681 v1 · 2015-01-30 · 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{7EV7BDAEBV4EHLXETKWVYFVUWB}

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	2026-05-18T02:28:19.916978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f92bf08c040d7843aee49aad5c16b4b04f7d5129e6b88522fa90dce28d8d59ed

Aliases

arxiv: 1501.07681 · arxiv_version: 1501.07681v1 · doi: 10.48550/arxiv.1501.07681 · pith_short_12: 7EV7BDAEBV4E · pith_short_16: 7EV7BDAEBV4EHLXE · pith_short_8: 7EV7BDAE

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/7EV7BDAEBV4EHLXETKWVYFVUWB \
  | 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: f92bf08c040d7843aee49aad5c16b4b04f7d5129e6b88522fa90dce28d8d59ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ccbb442c8f1e9294bb5a0fa5300c180933dd60e15cc05e8a9d3e1705b137fad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-01-30T07:16:50Z",
    "title_canon_sha256": "3a329bc363a37c0b22b27706505b699bc727bc3f21b678b1c8cd3c469500f1da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.07681",
    "kind": "arxiv",
    "version": 1
  }
}