Pith Number

pith:WKQS6HYM

pith:2013:WKQS6HYMHMFP3DBNAGSDCYGD4Z

not attested not anchored not stored refs pending

The geometry of dented pentagram maps

Boris Khesin, Fedor Soloviev

arxiv:1308.5363 v3 · 2013-08-24 · math.DS · math.SG · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WKQS6HYMHMFP3DBNAGSDCYGD4Z}

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	2026-05-18T02:32:00.318019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2a12f1f0c3b0afd8c2d01a43160c3e655b3179777f7ebe8c88d34379030b427

Aliases

arxiv: 1308.5363 · arxiv_version: 1308.5363v3 · doi: 10.48550/arxiv.1308.5363 · pith_short_12: WKQS6HYMHMFP · pith_short_16: WKQS6HYMHMFP3DBN · pith_short_8: WKQS6HYM

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/WKQS6HYMHMFP3DBNAGSDCYGD4Z \
  | 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: b2a12f1f0c3b0afd8c2d01a43160c3e655b3179777f7ebe8c88d34379030b427

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f94ac71d4bcf6975d16f3c2b3f82dfa7e3e5d9b953a05a0ac511ac1c1371f2a",
    "cross_cats_sorted": [
      "math.SG",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2013-08-24T21:39:19Z",
    "title_canon_sha256": "884ef6ad9fc1d5d1ffd5fb61ad178dd53346264ec92975ead147b5888857a50b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5363",
    "kind": "arxiv",
    "version": 3
  }
}