Pith Number

pith:F3VK3RWY

pith:2009:F3VK3RWYO62UCVS2TKGS7QECR3

not attested not anchored not stored refs pending

Estimates on the first two buckling eigenvalues on spherical domains

Guangyue Huang, Xingxiao Li, Xuerong Qi

arxiv:0910.4083 v1 · 2009-10-21 · math.DG · 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{F3VK3RWYO62UCVS2TKGS7QECR3}

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	2026-05-18T02:11:13.287980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2eeaadc6d877b541565a9a8d2fc0828efb747ff7692f2f929db20c5460c3dd8c

Aliases

arxiv: 0910.4083 · arxiv_version: 0910.4083v1 · doi: 10.48550/arxiv.0910.4083 · pith_short_12: F3VK3RWYO62U · pith_short_16: F3VK3RWYO62UCVS2 · pith_short_8: F3VK3RWY

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/F3VK3RWYO62UCVS2TKGS7QECR3 \
  | 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: 2eeaadc6d877b541565a9a8d2fc0828efb747ff7692f2f929db20c5460c3dd8c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a9054fab931c418e32a8624a78766827ad92b74ddb443148f69401a2d6f47ba",
    "cross_cats_sorted": [
      "math.SP"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2009-10-21T13:26:54Z",
    "title_canon_sha256": "997cae3c3e181cc4f5f498ab6089aa83b5331e16cf9f71d1a9d8f52df1cff6d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.4083",
    "kind": "arxiv",
    "version": 1
  }
}