Pith Number

pith:BHQ34KPS

pith:2018:BHQ34KPS6QGLYL4PDKWWVXHXS3

not attested not anchored not stored refs pending

BD Entropy and Bernis-Friedman Entropy

Didier Bresch (LAMA), Khawla Msheik (LAMA), Mathieu Colin (Bordeaux INP), Pascal Noble (IMT), Xi Song

arxiv:1811.02794 v2 · 2018-11-07 · math.AP · math-ph · math.DS · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BHQ34KPS6QGLYL4PDKWWVXHXS3}

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	2026-05-18T00:01:16.273403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09e1be29f2f40cbc2f8f1aad6adcf796f7c0d6a9e22c829e57daf3a77d60256c

Aliases

arxiv: 1811.02794 · arxiv_version: 1811.02794v2 · doi: 10.48550/arxiv.1811.02794 · pith_short_12: BHQ34KPS6QGL · pith_short_16: BHQ34KPS6QGLYL4P · pith_short_8: BHQ34KPS

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/BHQ34KPS6QGLYL4PDKWWVXHXS3 \
  | 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: 09e1be29f2f40cbc2f8f1aad6adcf796f7c0d6a9e22c829e57daf3a77d60256c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7aa26d2135545668f76ac50ab5a6d7d2288688396fac397a4da3454187ab71cf",
    "cross_cats_sorted": [
      "math-ph",
      "math.DS",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-11-07T08:15:51Z",
    "title_canon_sha256": "d29de4758a2c8be34811ed7a962699c4ea09912ff5ed31ff5ed46137047eefad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02794",
    "kind": "arxiv",
    "version": 2
  }
}