Pith Number

pith:NBDQVWDJ

pith:2016:NBDQVWDJ6FCJZSIZGSPKPJ5QVF

not attested not anchored not stored refs pending

Dynamical Spectral rigidity among $\mathbb Z_2$-symmetric strictly convex domains close to a circle

Jacopo De Simoi, Qiaoling Wei, Vadim Kaloshin, with an appendix joint with Hamid Hezari

arxiv:1606.00230 v3 · 2016-06-01 · math.DS · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NBDQVWDJ6FCJZSIZGSPKPJ5QVF}

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	2026-05-18T00:48:32.901098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68470ad869f1449cc919349ea7a7b0a976bba340fa6946068fba08c2766c9f78

Aliases

arxiv: 1606.00230 · arxiv_version: 1606.00230v3 · doi: 10.48550/arxiv.1606.00230 · pith_short_12: NBDQVWDJ6FCJ · pith_short_16: NBDQVWDJ6FCJZSIZ · pith_short_8: NBDQVWDJ

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/NBDQVWDJ6FCJZSIZGSPKPJ5QVF \
  | 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: 68470ad869f1449cc919349ea7a7b0a976bba340fa6946068fba08c2766c9f78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b473274adaa84f887c69872b4dfbed24730f621a2f8059113f1f51cc84a6b0b",
    "cross_cats_sorted": [
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2016-06-01T11:23:56Z",
    "title_canon_sha256": "80c5a0acf0a8990a61d3f4508ef79014a6f728fc86a8df9bd5b5604e021c1557"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.00230",
    "kind": "arxiv",
    "version": 3
  }
}