Pith Number

pith:FDWVPNLN

pith:2009:FDWVPNLNGSCB7TR7BXPAMFE7FA

not attested not anchored not stored refs pending

The semiclassical origin of curvature effects in universal spectral statistics

Daniel Waltner, Juan Diego Urbina, Klaus Richter, Stefan Heusler

arxiv:0903.5091 v1 · 2009-03-29 · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FDWVPNLNGSCB7TR7BXPAMFE7FA}

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	2026-05-18T02:14:18.708376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28ed57b56d34841fce3f0dde06149f2809c94f125d6dcbb4d8f5b873b7a46d83

Aliases

arxiv: 0903.5091 · arxiv_version: 0903.5091v1 · doi: 10.48550/arxiv.0903.5091 · pith_short_12: FDWVPNLNGSCB · pith_short_16: FDWVPNLNGSCB7TR7 · pith_short_8: FDWVPNLN

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/FDWVPNLNGSCB7TR7BXPAMFE7FA \
  | 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: 28ed57b56d34841fce3f0dde06149f2809c94f125d6dcbb4d8f5b873b7a46d83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6a6cbe231fc020502ca8d33f322557d047e14d9d15cd988d2a30b722c32e7e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2009-03-29T20:18:41Z",
    "title_canon_sha256": "b0b2f323958c4c8603f1b240afaa64c36737faf7854b05cf194195da7ed827a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.5091",
    "kind": "arxiv",
    "version": 1
  }
}