Pith Number

pith:WQ5MIVOO

pith:2025:WQ5MIVOOSNWPTUQAFGVIWB2SHN

not attested not anchored not stored refs pending

Change of Thought: Adaptive Test-Time Computation

Barak Pearlmutter, Mike Doan, Mrinal Mathur, Sergey Plis

arxiv:2507.13569 v1 · 2025-07-17 · 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{WQ5MIVOOSNWPTUQAFGVIWB2SHN}

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	2026-07-05T11:39:19.314973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b43ac455ce936cf9d20029aa8b07523b4aab1b71c3992a047d7f6c66383bfa71

Aliases

arxiv: 2507.13569 · arxiv_version: 2507.13569v1 · doi: 10.48550/arxiv.2507.13569 · pith_short_12: WQ5MIVOOSNWP · pith_short_16: WQ5MIVOOSNWPTUQA · pith_short_8: WQ5MIVOO

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/WQ5MIVOOSNWPTUQAFGVIWB2SHN \
  | 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: b43ac455ce936cf9d20029aa8b07523b4aab1b71c3992a047d7f6c66383bfa71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88eb3cf2deec269fbeeddf8d2394a29e16db4f8f4998e262194da9906f1ece74",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-07-17T23:12:57Z",
    "title_canon_sha256": "62dea47cd4e7be75d84de2ba88512f65e3f9dc6b8640c5e7a47e6ec348c96d30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.13569",
    "kind": "arxiv",
    "version": 1
  }
}