Pith Number

pith:IARNYDCF

pith:2019:IARNYDCFKOPUU7JRILYXOURDAC

not attested not anchored not stored refs pending

Fundamental tones of clamped plates in nonpositively curved spaces

Alexandru Krist\'aly

arxiv:1909.02350 v2 · 2019-09-05 · math.AP · math-ph · math.DG · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IARNYDCFKOPUU7JRILYXOURDAC}

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	2026-07-05T00:47:58.930794Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4022dc0c45539f4a7d3142f177522300ae119d696e024317066483c4eb01764d

Aliases

arxiv: 1909.02350 · arxiv_version: 1909.02350v2 · doi: 10.48550/arxiv.1909.02350 · pith_short_12: IARNYDCFKOPU · pith_short_16: IARNYDCFKOPUU7JR · pith_short_8: IARNYDCF

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/IARNYDCFKOPUU7JRILYXOURDAC \
  | 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: 4022dc0c45539f4a7d3142f177522300ae119d696e024317066483c4eb01764d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3bc4d289d0d4883904376bc592ac9d5d0f159f61c9299dadd9d5b6c9c47f38ac",
    "cross_cats_sorted": [
      "math-ph",
      "math.DG",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-09-05T12:09:32Z",
    "title_canon_sha256": "e527d3b15efbcb0bdaba192be774abc88974f6e8fc26b0e9adcf53d46f054c21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.02350",
    "kind": "arxiv",
    "version": 2
  }
}