Pith Number

pith:FKPB5AY4

pith:2012:FKPB5AY4DVAC3LPOF2Y2OD6OPP

not attested not anchored not stored refs pending

The Casimir Effect on Laakso Sapces

Benjamin Steinhurst, Roberk Kesler

arxiv:1207.2082 v1 · 2012-07-09 · math-ph · 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{FKPB5AY4DVAC3LPOF2Y2OD6OPP}

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	2026-05-18T03:51:26.133302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a9e1e831c1d402dadee2eb1a70fce7bd90c21b9df54920d95aa37f2cde68982

Aliases

arxiv: 1207.2082 · arxiv_version: 1207.2082v1 · doi: 10.48550/arxiv.1207.2082 · pith_short_12: FKPB5AY4DVAC · pith_short_16: FKPB5AY4DVAC3LPO · pith_short_8: FKPB5AY4

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/FKPB5AY4DVAC3LPOF2Y2OD6OPP \
  | 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: 2a9e1e831c1d402dadee2eb1a70fce7bd90c21b9df54920d95aa37f2cde68982

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26ee16195a97e90362563a4e7b0ca1e915930283a9fa04a748b840d6d5aed015",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2012-07-09T15:46:44Z",
    "title_canon_sha256": "4905d351bfc86c0900dc7d5efe0759e8b2c0e99622858b191c1ddd79f1ba5109"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2082",
    "kind": "arxiv",
    "version": 1
  }
}