Pith Number

pith:IFLUZ6MS

pith:2026:IFLUZ6MSDYVTPP3CBREIERF4XG

not attested not anchored not stored refs pending

Lacuna: A Research Map for Machine Learning

Alejandro H. Artiles, Chris Pal, Hugo Larochelle, Martin Weiss, Miles Q. Li, Nasim Rahaman, Yacine Mkhinini

arxiv:2606.26246 v1 · 2026-06-24 · cs.DL · cs.AI · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IFLUZ6MSDYVTPP3CBREIERF4XG}

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	2026-06-26T00:15:30.988240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41574cf9921e2b37bf620c488244bcb99fdc434d291548dce827b8b034ca4ba9

Aliases

arxiv: 2606.26246 · arxiv_version: 2606.26246v1 · doi: 10.48550/arxiv.2606.26246 · pith_short_12: IFLUZ6MSDYVT · pith_short_16: IFLUZ6MSDYVTPP3C · pith_short_8: IFLUZ6MS

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/IFLUZ6MSDYVTPP3CBREIERF4XG \
  | 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: 41574cf9921e2b37bf620c488244bcb99fdc434d291548dce827b8b034ca4ba9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c948b36cc9815d1af41e3660498bace03dcfe870d8d1d3c555378d303f02b8a",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2026-06-24T18:00:12Z",
    "title_canon_sha256": "5e9b06f3654ff688ca27c568e74cd4006e58717771af25baed04ce32c5666f1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.26246",
    "kind": "arxiv",
    "version": 1
  }
}