Pith Number

pith:SGKQ2VLA

pith:2011:SGKQ2VLAKVT2MAN4YBT3ITFAH4

not attested not anchored not stored refs pending

Experimental Investigation of Forecasting Methods Based on Universal Measures

Boris Ryabko, Pavel Pristavka

arxiv:1104.2239 v1 · 2011-04-12 · cs.IT · math.IT · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SGKQ2VLAKVT2MAN4YBT3ITFAH4}

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	2026-05-18T04:24:35.697565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91950d55605567a601bcc067b44ca03f36f52a267e3b9f84e813ba5f48ee3c2f

Aliases

arxiv: 1104.2239 · arxiv_version: 1104.2239v1 · doi: 10.48550/arxiv.1104.2239 · pith_short_12: SGKQ2VLAKVT2 · pith_short_16: SGKQ2VLAKVT2MAN4 · pith_short_8: SGKQ2VLA

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/SGKQ2VLAKVT2MAN4YBT3ITFAH4 \
  | 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: 91950d55605567a601bcc067b44ca03f36f52a267e3b9f84e813ba5f48ee3c2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a217567404f688aa217bd85787bf91039f1bb84656229d0adeb095c197a996f",
    "cross_cats_sorted": [
      "math.IT",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-04-12T15:05:09Z",
    "title_canon_sha256": "dcd7d78687baee138c62d98fa021f5e547e76005b0a84909dd502e06a2ffa0e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2239",
    "kind": "arxiv",
    "version": 1
  }
}