Pith Number

pith:2VGO2XJ3

pith:2020:2VGO2XJ3EZ3F4BICYSDCHLYYPE

not attested not anchored not stored refs pending

Computing the Sound of the Sea in a Seashell

Frank R\"osler, Jonathan Ben-Artzi, Marco Marletta

arxiv:2009.02956 v2 · 2020-09-07 · math.SP · cs.NA · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2VGO2XJ3EZ3F4BICYSDCHLYYPE}

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.

Cited by

1 paper in Pith

On the computation of geometric features of spectra of linear operators on Hilbert spaces

Receipt and verification

First computed	2026-07-05T02:19:55.669755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d54ced5d3b26765e0502c48623af187911c318601831ef15fa1b4a71037832a1

Aliases

arxiv: 2009.02956 · arxiv_version: 2009.02956v2 · doi: 10.48550/arxiv.2009.02956 · pith_short_12: 2VGO2XJ3EZ3F · pith_short_16: 2VGO2XJ3EZ3F4BIC · pith_short_8: 2VGO2XJ3

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/2VGO2XJ3EZ3F4BICYSDCHLYYPE \
  | 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: d54ced5d3b26765e0502c48623af187911c318601831ef15fa1b4a71037832a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1b8f9e6dd93124a49cfa205267e2c1fb0d00de1a3cd2ae9ed65fa539b004c98",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2020-09-07T09:14:19Z",
    "title_canon_sha256": "ed65a38a6d8dfdc956cbc407b6239c82251c134ab88f19e07f185b4fdda1b727"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.02956",
    "kind": "arxiv",
    "version": 2
  }
}