Pith Number

pith:E4PWNVED

pith:2026:E4PWNVED46HMCM7VNX3RT73E7P

not attested not anchored not stored refs pending

Coherent Swap Regret and Channel-Proof Learning

Sohail Sarkar

arxiv:2606.02655 v1 · 2026-06-01 · quant-ph · cs.GT · cs.LG · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E4PWNVED46HMCM7VNX3RT73E7P}

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	2026-06-03T00:05:05.696969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

271f66d483e78ec133f56df719ff64fbd57839558c5364b9b95ba31fcf28984e

Aliases

arxiv: 2606.02655 · arxiv_version: 2606.02655v1 · doi: 10.48550/arxiv.2606.02655 · pith_short_12: E4PWNVED46HM · pith_short_16: E4PWNVED46HMCM7V · pith_short_8: E4PWNVED

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/E4PWNVED46HMCM7VNX3RT73E7P \
  | 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: 271f66d483e78ec133f56df719ff64fbd57839558c5364b9b95ba31fcf28984e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93ea1eb6abc68c29434f3121219388689ccf7e0470ca439e5d7413836d287bb3",
    "cross_cats_sorted": [
      "cs.GT",
      "cs.LG",
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-06-01T05:06:12Z",
    "title_canon_sha256": "3bfb45804bcc177080e4c893abec83b04d0044ffef9c9fc105c5949532130278"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.02655",
    "kind": "arxiv",
    "version": 1
  }
}