Pith Number

pith:CUA37GMS

pith:2021:CUA37GMSLBV7QKOIIIHECETHHQ

not attested not anchored not stored refs pending

The Weakly-Labeled Rand Index

Alina Zare, Anna Hampton, Dylan Stewart, James Keller, Jeff Dale

arxiv:2103.04872 v2 · 2021-03-08 · cs.CV · cs.LG · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CUA37GMSLBV7QKOIIIHECETHHQ}

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	2026-07-05T02:21:21.018524Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1501bf9992586bf829c8420e4112673c0e1600d397adb33f78376ba1ad465885

Aliases

arxiv: 2103.04872 · arxiv_version: 2103.04872v2 · doi: 10.48550/arxiv.2103.04872 · pith_short_12: CUA37GMSLBV7 · pith_short_16: CUA37GMSLBV7QKOI · pith_short_8: CUA37GMS

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/CUA37GMSLBV7QKOIIIHECETHHQ \
  | 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: 1501bf9992586bf829c8420e4112673c0e1600d397adb33f78376ba1ad465885

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9de8546d41c70c247d4d4f8cdda8caf003ea909e75efdf79833c1f881f5c8906",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.IV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-03-08T16:21:15Z",
    "title_canon_sha256": "e55e0bf321f31d8541c589d21f45cc68920acb3ed53ec9f007b62c7b47ae359a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.04872",
    "kind": "arxiv",
    "version": 2
  }
}