Pith Number

pith:VHBLQWH5

pith:2021:VHBLQWH5KT3MU6FZL2XEDIR4VV

not attested not anchored not stored refs pending

Encoding Weights of Irregular Sparsity for Fixed-to-Fixed Model Compression

Baeseong Park, Byeongwook Kim, Daehwan Oh, Dongsoo Lee, Se Jung Kwon

arxiv:2105.01869 v2 · 2021-05-05 · cs.LG · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VHBLQWH5KT3MU6FZL2XEDIR4VV}

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	2026-07-05T03:52:27.780761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9c2b858fd54f6ca78b95eae41a23cad6051975187e901cd14d3526f8d48e2b8

Aliases

arxiv: 2105.01869 · arxiv_version: 2105.01869v2 · doi: 10.48550/arxiv.2105.01869 · pith_short_12: VHBLQWH5KT3M · pith_short_16: VHBLQWH5KT3MU6FZ · pith_short_8: VHBLQWH5

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/VHBLQWH5KT3MU6FZL2XEDIR4VV \
  | 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: a9c2b858fd54f6ca78b95eae41a23cad6051975187e901cd14d3526f8d48e2b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3219e9062228ab97e7fb0273219bd3362251acf288bb60f3e8ed41dea3d62bfb",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-05-05T05:14:50Z",
    "title_canon_sha256": "9972cbca535030e3d5442445d2bf64ad3d26ff6bcc601d12d8e5fc451e3ba2d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.01869",
    "kind": "arxiv",
    "version": 2
  }
}