Pith Number

pith:X5WVKWM6

pith:2026:X5WVKWM6GG46GTXVK6CII4PE2C

not attested not anchored not stored refs pending

Towards Engineering Scaling Laws with Pretraining Data Composition

Benjamin Nachman, Daniel Whiteson, Jan-Lucas Uslu, Kevin Greif

arxiv:2606.19781 v1 · 2026-06-18 · hep-ex · 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{X5WVKWM6GG46GTXVK6CII4PE2C}

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	2026-06-19T16:12:34.978309Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf6d55599e31b9e34ef557848471e4d0ab23fd2434931b641633dbd80c1939f1

Aliases

arxiv: 2606.19781 · arxiv_version: 2606.19781v1 · doi: 10.48550/arxiv.2606.19781 · pith_short_12: X5WVKWM6GG46 · pith_short_16: X5WVKWM6GG46GTXV · pith_short_8: X5WVKWM6

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/X5WVKWM6GG46GTXVK6CII4PE2C \
  | 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: bf6d55599e31b9e34ef557848471e4d0ab23fd2434931b641633dbd80c1939f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18b15581e0db50f30f83b48368ea78656ebd7db9ce9af0df592ea8edc80437a2",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-ex",
    "submitted_at": "2026-06-18T04:32:06Z",
    "title_canon_sha256": "d48cf087c26fe54789332973e3b424af44f2dd82e414ab9b2cda348d51f85d7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.19781",
    "kind": "arxiv",
    "version": 1
  }
}