Pith Number

pith:F7PIVC4T

pith:2020:F7PIVC4TKG4XJMPQINHKC6COOU

not attested not anchored not stored refs pending

Poncelet property and quasi-periodicity of the integrable Boltzmann system

Giovanni Felder (ETH Zurich)

arxiv:2008.03480 v1 · 2020-08-08 · 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{F7PIVC4TKG4XJMPQINHKC6COOU}

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	2026-07-05T02:11:22.916463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fde8a8b9351b974b1f0434ea1784e7528f879ccbddc79bf4b4d06f5d49cc5f5

Aliases

arxiv: 2008.03480 · arxiv_version: 2008.03480v1 · doi: 10.48550/arxiv.2008.03480 · pith_short_12: F7PIVC4TKG4X · pith_short_16: F7PIVC4TKG4XJMPQ · pith_short_8: F7PIVC4T

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/F7PIVC4TKG4XJMPQINHKC6COOU \
  | 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: 2fde8a8b9351b974b1f0434ea1784e7528f879ccbddc79bf4b4d06f5d49cc5f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d537277a5fc47736ac50b00f57bda3935cab2f40e703fe37f8ac94049dc79ad2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2020-08-08T09:09:02Z",
    "title_canon_sha256": "cdcf17304ccf9da8e7a44f07b7f6e148b8f37cc4fd50de07bcea2767071442ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.03480",
    "kind": "arxiv",
    "version": 1
  }
}