Pith Number

pith:4M4NNWQF

pith:2004:4M4NNWQFPGYNAMTRFC3LWOJF4Q

not attested not anchored not stored refs pending

When can the two-armed bandit algorithm be trusted?

Damien Lamberton, Gilles Pages, Pierre Tarres

arxiv:math/0407128 v1 · 2004-07-08 · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4M4NNWQFPGYNAMTRFC3LWOJF4Q}

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	2026-05-18T01:05:26.208743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e338d6da0579b0d0327128b6bb3925e438a90e14051aeddc552bb14fea3b019c

Aliases

arxiv: math/0407128 · arxiv_version: math/0407128v1 · doi: 10.48550/arxiv.math/0407128 · pith_short_12: 4M4NNWQFPGYN · pith_short_16: 4M4NNWQFPGYNAMTR · pith_short_8: 4M4NNWQF

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/4M4NNWQFPGYNAMTRFC3LWOJF4Q \
  | 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: e338d6da0579b0d0327128b6bb3925e438a90e14051aeddc552bb14fea3b019c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e02d44ddc7ae73a93d370a027ca6ea8952a62c4d6db9b17e8df79e6e4cd89708",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.PR",
    "submitted_at": "2004-07-08T10:43:46Z",
    "title_canon_sha256": "29d620d6035fca0f5aadeee54a0ebb3bb4bbbe63cc365736cf0052db89e0849c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0407128",
    "kind": "arxiv",
    "version": 1
  }
}