Pith Number

pith:ABPPOH6D

pith:2017:ABPPOH6DK24ZZOHHGQOKSDOL2O

not attested not anchored not stored refs pending

Entropy of nonautonomous dynamical systems

Christoph Kawan

arxiv:1708.00815 v1 · 2017-08-02 · 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{ABPPOH6DK24ZZOHHGQOKSDOL2O}

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	2026-05-18T00:38:44.573974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

005ef71fc356b99cb8e7341ca90dcbd3a60b2ac5bd04b8d308c46a99b59e3e1c

Aliases

arxiv: 1708.00815 · arxiv_version: 1708.00815v1 · doi: 10.48550/arxiv.1708.00815 · pith_short_12: ABPPOH6DK24Z · pith_short_16: ABPPOH6DK24ZZOHH · pith_short_8: ABPPOH6D

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/ABPPOH6DK24ZZOHHGQOKSDOL2O \
  | 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: 005ef71fc356b99cb8e7341ca90dcbd3a60b2ac5bd04b8d308c46a99b59e3e1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf4a6527fa55eed0951961cf645d27e67fd80ee135064f4f1ea88c584d6bdd8e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2017-08-02T16:19:32Z",
    "title_canon_sha256": "c3181a0d14e8ebf031ea8f59d02bb11dcc08748477b8188d6f20760255d862c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.00815",
    "kind": "arxiv",
    "version": 1
  }
}