Pith Number

pith:EISJ7JYS

pith:2009:EISJ7JYS2WTUNFD6ZCTZUNAQSD

not attested not anchored not stored refs pending

Coherent sets for nonautonomous dynamical systems

Gary Froyland, Naratip Santitissadeekorn, Simon Lloyd

arxiv:0911.0717 v2 · 2009-11-04 · 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{EISJ7JYS2WTUNFD6ZCTZUNAQSD}

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	2026-05-18T04:28:45.798667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22249fa712d5a746947ec8a79a341090e23e59f4e99c687fb9a189ae2191fbf9

Aliases

arxiv: 0911.0717 · arxiv_version: 0911.0717v2 · doi: 10.48550/arxiv.0911.0717 · pith_short_12: EISJ7JYS2WTU · pith_short_16: EISJ7JYS2WTUNFD6 · pith_short_8: EISJ7JYS

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/EISJ7JYS2WTUNFD6ZCTZUNAQSD \
  | 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: 22249fa712d5a746947ec8a79a341090e23e59f4e99c687fb9a189ae2191fbf9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b73b4fa6056c27bdc4f2f1069e1c2a31c66058c6c57d32698772293ee9b51e2f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2009-11-04T01:51:19Z",
    "title_canon_sha256": "eb0fa8bab8c1d9e9a27f7159f41fa9497cd4aeb962d0dacf9eab77b31b6129fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.0717",
    "kind": "arxiv",
    "version": 2
  }
}