Pith Number

pith:P4GEY2VN

pith:2012:P4GEY2VNTJH6PXGO6XAMCK7Y5Z

not attested not anchored not stored refs pending

Diophantine type of interval exchange maps

Dong Han Kim

arxiv:1201.3269 v2 · 2012-01-16 · 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{P4GEY2VNTJH6PXGO6XAMCK7Y5Z}

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	2026-05-17T23:53:18.994209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f0c4c6aad9a4fe7dccef5c0c12bf8ee5f151db258f89cddaabe9d99a6f43dec

Aliases

arxiv: 1201.3269 · arxiv_version: 1201.3269v2 · doi: 10.48550/arxiv.1201.3269 · pith_short_12: P4GEY2VNTJH6 · pith_short_16: P4GEY2VNTJH6PXGO · pith_short_8: P4GEY2VN

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/P4GEY2VNTJH6PXGO6XAMCK7Y5Z \
  | 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: 7f0c4c6aad9a4fe7dccef5c0c12bf8ee5f151db258f89cddaabe9d99a6f43dec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53d5938bd5b223c9b894f29dcce6bd0bf9767ef5596d62506e14ef2d3cbe6d96",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2012-01-16T14:48:24Z",
    "title_canon_sha256": "80eb3ff55091ea43e44e3a9b975564c38e0180703bcdb04531d401c2bf93ab37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.3269",
    "kind": "arxiv",
    "version": 2
  }
}