Pith Number

pith:OEPYGL7M

pith:2012:OEPYGL7MXKVDWWXNQ4LCUGKSIH

not attested not anchored not stored refs pending

Group Actions on Monotone Skew-Product Semiflows with Applications

Feng Cao, Mats Gyllenberg, Yi Wang

arxiv:1201.5510 v1 · 2012-01-26 · math.DS · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OEPYGL7MXKVDWWXNQ4LCUGKSIH}

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	2026-05-18T04:03:44.858020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

711f832fecbaaa3b5aed87162a195241c89cfb153fe6ebbbf6bc5ac3bcdf6af1

Aliases

arxiv: 1201.5510 · arxiv_version: 1201.5510v1 · doi: 10.48550/arxiv.1201.5510 · pith_short_12: OEPYGL7MXKVD · pith_short_16: OEPYGL7MXKVDWWXN · pith_short_8: OEPYGL7M

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/OEPYGL7MXKVDWWXNQ4LCUGKSIH \
  | 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: 711f832fecbaaa3b5aed87162a195241c89cfb153fe6ebbbf6bc5ac3bcdf6af1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66c7609bd0ed0cef4bc4fba052c035e282791f9293773fe9d55cd24e8abf992a",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2012-01-26T13:33:17Z",
    "title_canon_sha256": "915b085d6b994358357cd303027e3910ba747bf2085a187f940ade0d311aedb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.5510",
    "kind": "arxiv",
    "version": 1
  }
}