Pith Number

pith:FJTZMAA6

pith:2018:FJTZMAA6VPAYJHMU4QIGCKJHBY

not attested not anchored not stored refs pending

On the finite dimensionality of integrable deformations of strictly convex integrable billiard tables

Guan Huang, Vadim Kaloshin

arxiv:1809.09341 v2 · 2018-09-25 · 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{FJTZMAA6VPAYJHMU4QIGCKJHBY}

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	2026-05-18T00:02:15.649973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a6796001eabc1849d94e4106129270e3ef87d7fd04ddb6a829ed5df0af1f7b5

Aliases

arxiv: 1809.09341 · arxiv_version: 1809.09341v2 · doi: 10.48550/arxiv.1809.09341 · pith_short_12: FJTZMAA6VPAY · pith_short_16: FJTZMAA6VPAYJHMU · pith_short_8: FJTZMAA6

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/FJTZMAA6VPAYJHMU4QIGCKJHBY \
  | 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: 2a6796001eabc1849d94e4106129270e3ef87d7fd04ddb6a829ed5df0af1f7b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f4bf50e30a949ce14248a126c2c9b503d37d14ef514ae5fbcb915d013c6c420",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2018-09-25T06:49:23Z",
    "title_canon_sha256": "a47fb5b8c65b10ca5591ae9b08e1736c2c7071ba0f57ecb35321c5347e681de5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09341",
    "kind": "arxiv",
    "version": 2
  }
}