Pith Number

pith:J4XZNWBV

pith:2026:J4XZNWBVF6DVNS2LZTEUHGLGIH

not attested not anchored not stored refs pending

The Cost and Network Limits of Space-Based AI Compute

Kees van Berkel

arxiv:2607.14172 v1 · 2026-07-15 · cs.DC · 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{J4XZNWBVF6DVNS2LZTEUHGLGIH}

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	2026-07-17T00:20:55.105925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f2f96d8352f8756cb4bccc943996641eea8bb7d82a90c5f91b37a36e27d28b0

Aliases

arxiv: 2607.14172 · arxiv_version: 2607.14172v1 · doi: 10.48550/arxiv.2607.14172 · pith_short_12: J4XZNWBVF6DV · pith_short_16: J4XZNWBVF6DVNS2L · pith_short_8: J4XZNWBV

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/J4XZNWBVF6DVNS2LZTEUHGLGIH \
  | 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: 4f2f96d8352f8756cb4bccc943996641eea8bb7d82a90c5f91b37a36e27d28b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60bfbb6686b74ba27312717efbc0fcc572c404b26a79f1ce8d023a3fa27884fd",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2026-07-15T09:42:59Z",
    "title_canon_sha256": "1bdb7ba42dd85b1c1477b42759360b4d00ae9bc2acc5ea976ea34fcc3757cfb2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.14172",
    "kind": "arxiv",
    "version": 1
  }
}