Pith Number

pith:I6JZ6B6D

pith:2012:I6JZ6B6DQLRO5D3AL6ZCYTEX3Q

not attested not anchored not stored refs pending

Plug-in martingales for testing exchangeability on-line

Alex Gammerman, Ilia Nouretdinov, Valentina Fedorova, Vladimir Vovk

arxiv:1204.3251 v2 · 2012-04-15 · cs.LG · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I6JZ6B6DQLRO5D3AL6ZCYTEX3Q}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T03:52:25.998618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47939f07c382e2ee8f605fb22c4c97dc36d0a6496efdf44ec42f4817327caa70

Aliases

arxiv: 1204.3251 · arxiv_version: 1204.3251v2 · doi: 10.48550/arxiv.1204.3251 · pith_short_12: I6JZ6B6DQLRO · pith_short_16: I6JZ6B6DQLRO5D3A · pith_short_8: I6JZ6B6D

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/I6JZ6B6DQLRO5D3AL6ZCYTEX3Q \
  | 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: 47939f07c382e2ee8f605fb22c4c97dc36d0a6496efdf44ec42f4817327caa70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a45cf125749cd70185488a35e057b68fff0e05d122d16aa61302ee0472e1697b",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2012-04-15T10:21:57Z",
    "title_canon_sha256": "066d3dcfe25d6f952227a501ddffaa27d4088e299fffad2155c2ea18e1b4128f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.3251",
    "kind": "arxiv",
    "version": 2
  }
}