Pith Number

pith:CHFSYEYX

pith:2014:CHFSYEYXXM4XTD6NZBXRIEGYKR

not attested not anchored not stored refs pending

Symmetric periodic orbits and uniruled real Liouville domains

Otto van Koert, Urs Frauenfelder

arxiv:1401.1356 v2 · 2014-01-07 · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CHFSYEYXXM4XTD6NZBXRIEGYKR}

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	2026-05-18T00:01:23.814074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11cb2c1317bb39798fcdc86f1410d8545424bce2083994099800454ef068cc89

Aliases

arxiv: 1401.1356 · arxiv_version: 1401.1356v2 · doi: 10.48550/arxiv.1401.1356 · pith_short_12: CHFSYEYXXM4X · pith_short_16: CHFSYEYXXM4XTD6N · pith_short_8: CHFSYEYX

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/CHFSYEYXXM4XTD6NZBXRIEGYKR \
  | 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: 11cb2c1317bb39798fcdc86f1410d8545424bce2083994099800454ef068cc89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bf3757828908a0daf9766b348b8f07e552f7bff0fb241ecae80a8889f77a3ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2014-01-07T12:32:25Z",
    "title_canon_sha256": "80fa897a657ae2547ec33d40c914b344addbb8c70b7b2703876775c8e577bd78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.1356",
    "kind": "arxiv",
    "version": 2
  }
}