Pith Number

pith:OHNUBLQF

pith:2025:OHNUBLQFRTI2WD3FNEWC6AHKDG

not attested not anchored not stored refs pending

Towards Measurement Theory for Artificial Intelligence

Elija Perrier

arxiv:2507.05587 v1 · 2025-07-08 · 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{OHNUBLQFRTI2WD3FNEWC6AHKDG}

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	2026-07-05T11:33:32.954801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71db40ae058cd1ab0f65692c2f00ea19be1f302807716d4bdfa5c1f993408e65

Aliases

arxiv: 2507.05587 · arxiv_version: 2507.05587v1 · doi: 10.48550/arxiv.2507.05587 · pith_short_12: OHNUBLQFRTI2 · pith_short_16: OHNUBLQFRTI2WD3F · pith_short_8: OHNUBLQF

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/OHNUBLQFRTI2WD3FNEWC6AHKDG \
  | 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: 71db40ae058cd1ab0f65692c2f00ea19be1f302807716d4bdfa5c1f993408e65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "761a530d90049d6b4c5b964950f419337e14f03944a9f136b97bd750061f8125",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2025-07-08T01:52:37Z",
    "title_canon_sha256": "efb6c0b104064d95df29c38666a64484a6f526a1e6739639a59ef3e10e30b6a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.05587",
    "kind": "arxiv",
    "version": 1
  }
}