Pith Number

pith:BSUWFOJH

pith:2026:BSUWFOJHB2HIF7O57AO7FRFZNT

not attested not anchored not stored refs pending

Indexing: the Beginning and the End

Alexander Kozachinskiy, Felipe Urrutia, Vicente Opazo

arxiv:2607.22361 v1 · 2026-07-24 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BSUWFOJHB2HIF7O57AO7FRFZNT}

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	2026-07-27T01:21:16.559177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ca962b9270e8e82fdddf81df2c4b96cd3bf4cbe74c659b1d21b8c81164d2521

Aliases

arxiv: 2607.22361 · arxiv_version: 2607.22361v1 · doi: 10.48550/arxiv.2607.22361 · pith_short_12: BSUWFOJHB2HI · pith_short_16: BSUWFOJHB2HIF7O5 · pith_short_8: BSUWFOJH

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/BSUWFOJHB2HIF7O57AO7FRFZNT \
  | 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: 0ca962b9270e8e82fdddf81df2c4b96cd3bf4cbe74c659b1d21b8c81164d2521

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4348e0a964e83d671b61d43bcdac1bd93a6de1cc18312ce85dd7805d2d28c84a",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-24T14:42:44Z",
    "title_canon_sha256": "3b0998817af3499a9bc80c9184a09b2c38adc78ba0f29da575238cdd191699f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.22361",
    "kind": "arxiv",
    "version": 1
  }
}