Pith Number

pith:EVHL6SDW

pith:2019:EVHL6SDWQZ7HX55S756ZMUF5BW

not attested not anchored not stored refs pending

Learning to compress and search visual data in large-scale systems

Sohrab Ferdowsi

arxiv:1901.08437 v1 · 2019-01-24 · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EVHL6SDWQZ7HX55S756ZMUF5BW}

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	2026-05-17T23:55:35.453236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

254ebf4876867e7bf7b2ff7d9650bd0d92b79d6e561dbb58001b047cd1229b12

Aliases

arxiv: 1901.08437 · arxiv_version: 1901.08437v1 · doi: 10.48550/arxiv.1901.08437 · pith_short_12: EVHL6SDWQZ7H · pith_short_16: EVHL6SDWQZ7HX55S · pith_short_8: EVHL6SDW

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/EVHL6SDWQZ7HX55S756ZMUF5BW \
  | 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: 254ebf4876867e7bf7b2ff7d9650bd0d92b79d6e561dbb58001b047cd1229b12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b283e4255cee890464a107e55bced04d465cd66ea5749749fc451a23d0dbaf3",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-01-24T14:59:42Z",
    "title_canon_sha256": "fdc2489e66b9b8209fdc8d1f39a8d075f9b8038c65e3e78afad66a4dd5d4aed3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.08437",
    "kind": "arxiv",
    "version": 1
  }
}