Pith Number

pith:Y3TUHERB

pith:2019:Y3TUHERB57XDPQMQNSC4TH4VIE

not attested not anchored not stored refs pending

Chaos in periodically forced reversible vector fields

Elisa Sovrano, Isabel S. Labouriau

arxiv:1901.09009 v2 · 2019-01-25 · 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{Y3TUHERB57XDPQMQNSC4TH4VIE}

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	2026-07-05T00:02:56.543901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6e7439221efee37c1906c85c99f954119c1edeb75a47a6e15664f9b5b66ab9b

Aliases

arxiv: 1901.09009 · arxiv_version: 1901.09009v2 · doi: 10.48550/arxiv.1901.09009 · pith_short_12: Y3TUHERB57XD · pith_short_16: Y3TUHERB57XDPQMQ · pith_short_8: Y3TUHERB

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/Y3TUHERB57XDPQMQNSC4TH4VIE \
  | 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: c6e7439221efee37c1906c85c99f954119c1edeb75a47a6e15664f9b5b66ab9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc5c4141e6d5e4402a75c22660d98f26a396787c509799f6a2e5c1f4eb75eec4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2019-01-25T18:23:26Z",
    "title_canon_sha256": "8206e89b1ed5f8f022adc6629a10db20d2a2a78a6e6c014b5714be8f1147fe66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.09009",
    "kind": "arxiv",
    "version": 2
  }
}