Pith Number

pith:EWNBPH5N

pith:2015:EWNBPH5NF27J53VFKZBACEIVID

not attested not anchored not stored refs pending

Modified Schmidt games and non-dense forward orbits of partially hyperbolic systems

Weisheng Wu

arxiv:1504.01835 v2 · 2015-04-08 · 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{EWNBPH5NF27J53VFKZBACEIVID}

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	2026-05-18T02:19:00.078594Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

259a179fad2ebe9eeea5564201111540e89375eef49ee754ade561b489812157

Aliases

arxiv: 1504.01835 · arxiv_version: 1504.01835v2 · doi: 10.48550/arxiv.1504.01835 · pith_short_12: EWNBPH5NF27J · pith_short_16: EWNBPH5NF27J53VF · pith_short_8: EWNBPH5N

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/EWNBPH5NF27J53VFKZBACEIVID \
  | 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: 259a179fad2ebe9eeea5564201111540e89375eef49ee754ade561b489812157

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e84594b9cae0d11b4734708f759d89ebf17c9c75a2a2cfb5c1f0a52db85885e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2015-04-08T06:03:04Z",
    "title_canon_sha256": "22bda107070750d4bdc504ac6eb714212768b1a5ee74959e2bc0a0db7fb0d330"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.01835",
    "kind": "arxiv",
    "version": 2
  }
}