Pith Number

pith:QPGH3VCO

pith:2026:QPGH3VCOWGQUJ4WAT5UXQHALIZ

not attested not anchored not stored refs pending

Optimizing Regret

Irene Aldridge

arxiv:2607.18866 v1 · 2026-07-21 · econ.EM · cs.LG · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QPGH3VCOWGQUJ4WAT5UXQHALIZ}

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	2026-07-22T01:23:16.574985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83cc7dd44eb1a144f2c09f69781c0b4655efedf8072d72cb4b9983e75cfbd135

Aliases

arxiv: 2607.18866 · arxiv_version: 2607.18866v1 · doi: 10.48550/arxiv.2607.18866 · pith_short_12: QPGH3VCOWGQU · pith_short_16: QPGH3VCOWGQUJ4WA · pith_short_8: QPGH3VCO

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/QPGH3VCOWGQUJ4WAT5UXQHALIZ \
  | 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: 83cc7dd44eb1a144f2c09f69781c0b4655efedf8072d72cb4b9983e75cfbd135

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fe152e60507f86b6693f89284cf8f5cc35c37bcf61b7320509b2f32ff71a179",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2026-07-21T08:58:25Z",
    "title_canon_sha256": "d6ed68e4f2e89d53f53b5c215b1bc5459174e4cdd57f0e20447fa7ca5935e41c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.18866",
    "kind": "arxiv",
    "version": 1
  }
}