Pith Number

pith:I4H45SCH

pith:2018:I4H45SCHPHLHKHQNO37Z4P46NI

not attested not anchored not stored refs pending

The Helmholtz Method: Using Perceptual Compression to Reduce Machine Learning Complexity

Bo Li, Gerald Friedland, Jingkang Wang, Ruoxi Jia

arxiv:1807.10569 v1 · 2018-07-10 · cs.CV · cs.LG · cs.MM · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I4H45SCHPHLHKHQNO37Z4P46NI}

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	2026-05-18T00:09:40.176995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

470fcec84779d6751e0d76ff9e3f9e6a007fdaa7e3144f5e638bdea92390b101

Aliases

arxiv: 1807.10569 · arxiv_version: 1807.10569v1 · doi: 10.48550/arxiv.1807.10569 · pith_short_12: I4H45SCHPHLH · pith_short_16: I4H45SCHPHLHKHQN · pith_short_8: I4H45SCH

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/I4H45SCHPHLHKHQNO37Z4P46NI \
  | 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: 470fcec84779d6751e0d76ff9e3f9e6a007fdaa7e3144f5e638bdea92390b101

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7221b2f7a1c59cb275a4cad96a512b7b2f507337a2e40aa383bda8c7264c22cd",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.MM",
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-07-10T01:49:50Z",
    "title_canon_sha256": "fd829565b8461f00021fb9f234526fe3119c61e9c66e360baf171b2ad36e2dce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.10569",
    "kind": "arxiv",
    "version": 1
  }
}