Pith Number

pith:TULIUPPV

pith:2009:TULIUPPVW7H2AKBZE5RCBUV6QX

not attested not anchored not stored refs pending

Evaluation of Mutual Information Estimators for Time Series

Angeliki Papana, Dimitris Kugiumtzis

arxiv:0904.4753 v1 · 2009-04-30 · 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{TULIUPPVW7H2AKBZE5RCBUV6QX}

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	2026-05-18T02:13:48.973493Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d168a3df5b7cfa02839276220d2be85d7ab9c86acb10a516c7550d34228ddd4

Aliases

arxiv: 0904.4753 · arxiv_version: 0904.4753v1 · doi: 10.48550/arxiv.0904.4753 · pith_short_12: TULIUPPVW7H2 · pith_short_16: TULIUPPVW7H2AKBZ · pith_short_8: TULIUPPV

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/TULIUPPVW7H2AKBZE5RCBUV6QX \
  | 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: 9d168a3df5b7cfa02839276220d2be85d7ab9c86acb10a516c7550d34228ddd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1478113456cd0505d6485b4fc587313e7760960cb0f01f6328f0b832479c90b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.data-an",
    "submitted_at": "2009-04-30T06:59:43Z",
    "title_canon_sha256": "db2136c539d1ebd99dfa4ae685697c6ec76312983a73f599833b23d55804a70d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.4753",
    "kind": "arxiv",
    "version": 1
  }
}