Pith Number

pith:LNYEFKYE

pith:2016:LNYEFKYEWWVDTHRJG2DKKQBC5L

not attested not anchored not stored refs pending

The quantum cat map on the modular discretization of extremal black hole horizons

Emmanuel Floratos, Minos Axenides, Stam Nicolis

arxiv:1608.07845 v5 · 2016-08-28 · hep-th · math-ph · math.MP · nlin.CD · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LNYEFKYEWWVDTHRJG2DKKQBC5L}

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	2026-05-18T00:14:47.865370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b7042ab04b5aa399e293686a54022eafcc4d597738ce1f53f12b0bf567e0db7

Aliases

arxiv: 1608.07845 · arxiv_version: 1608.07845v5 · doi: 10.48550/arxiv.1608.07845 · pith_short_12: LNYEFKYEWWVD · pith_short_16: LNYEFKYEWWVDTHRJ · pith_short_8: LNYEFKYE

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/LNYEFKYEWWVDTHRJG2DKKQBC5L \
  | 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: 5b7042ab04b5aa399e293686a54022eafcc4d597738ce1f53f12b0bf567e0db7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6e2bfe61da220775a5c8de69f9a990fd0e7050855ac780ab24f7faa74fd9f3d",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP",
      "nlin.CD",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2016-08-28T19:49:50Z",
    "title_canon_sha256": "b5853428a14461a7e8a66897bbf0f5e9ae2c19f411a2b606309d6bc48d526541"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.07845",
    "kind": "arxiv",
    "version": 5
  }
}