Pith Number

pith:YRKGUYAC

pith:2014:YRKGUYACPE2F5MURZRXDAA6K4I

not attested not anchored not stored refs pending

On special flows over IETs that are not isomorphic to their inverses

Krzysztof Fr\k{a}czek, Przemys{\l}aw Berk

arxiv:1405.7844 v1 · 2014-05-30 · 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{YRKGUYACPE2F5MURZRXDAA6K4I}

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	2026-05-18T01:42:57.468227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4546a600279345eb291cc6e3003cae22e1a7cd82e5e0d1bbf4b2ee2eaedc746

Aliases

arxiv: 1405.7844 · arxiv_version: 1405.7844v1 · doi: 10.48550/arxiv.1405.7844 · pith_short_12: YRKGUYACPE2F · pith_short_16: YRKGUYACPE2F5MUR · pith_short_8: YRKGUYAC

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/YRKGUYACPE2F5MURZRXDAA6K4I \
  | 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: c4546a600279345eb291cc6e3003cae22e1a7cd82e5e0d1bbf4b2ee2eaedc746

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca5502cc5efc0e4a10e6e178fe8ff55f2d218c81e18340b9a88b7b72b15b1fc3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2014-05-30T12:59:29Z",
    "title_canon_sha256": "5684deccd74ea019ee858c8302f6ed726f07a8f192e87c7f43c6f2ed48f1eee2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.7844",
    "kind": "arxiv",
    "version": 1
  }
}