Pith Number

pith:XVLU6K4Y

pith:2014:XVLU6K4YLI6GT46MKZZUYBMO6V

not attested not anchored not stored refs pending

On entropy of dynamical systems with almost specification

Dominik Kwietniak, Micha{\l} Rams, Piotr Oprocha

arxiv:1411.1989 v1 · 2014-11-07 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XVLU6K4YLI6GT46MKZZUYBMO6V}

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	2026-05-18T02:38:19.983332Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd574f2b985a3c69f3cc56734c058ef55662dce6bf0574e781be596411b328cb

Aliases

arxiv: 1411.1989 · arxiv_version: 1411.1989v1 · doi: 10.48550/arxiv.1411.1989 · pith_short_12: XVLU6K4YLI6G · pith_short_16: XVLU6K4YLI6GT46M · pith_short_8: XVLU6K4Y

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/XVLU6K4YLI6GT46MKZZUYBMO6V \
  | 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: bd574f2b985a3c69f3cc56734c058ef55662dce6bf0574e781be596411b328cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6786fc5f41af8f61378fd77488c9805246b33803acb193e7e0cf1a39e7b474a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2014-11-07T17:23:38Z",
    "title_canon_sha256": "fe055ea7f927ad77c005130171dea598cfd516020f142080003fec986ff61cbe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.1989",
    "kind": "arxiv",
    "version": 1
  }
}