Pith Number

pith:IDYKHCM5

pith:2019:IDYKHCM5ZTJSMRVRNV6WYF72IH

not attested not anchored not stored refs pending

Learning icons appearance similarity

Diego Gutierrez, Elena Garces, Manuel Lagunas

arxiv:1902.05378 v1 · 2019-02-01 · cs.CV · 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{IDYKHCM5ZTJSMRVRNV6WYF72IH}

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	2026-05-17T23:54:01.014516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40f0a3899dccd32646b16d7d6c17fa41e417080f56be0f30a6805735f0492567

Aliases

arxiv: 1902.05378 · arxiv_version: 1902.05378v1 · doi: 10.48550/arxiv.1902.05378 · pith_short_12: IDYKHCM5ZTJS · pith_short_16: IDYKHCM5ZTJSMRVR · pith_short_8: IDYKHCM5

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/IDYKHCM5ZTJSMRVRNV6WYF72IH \
  | 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: 40f0a3899dccd32646b16d7d6c17fa41e417080f56be0f30a6805735f0492567

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9c9048507a91a05fe8f0261ba8357eec467c4d2d2837889f4110963075a9eab",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-02-01T14:17:26Z",
    "title_canon_sha256": "87356ec0c2e3990c9a777cac3bf929e3e15f95d154b9b29cdea299f0b3cc6db7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05378",
    "kind": "arxiv",
    "version": 1
  }
}