Pith Number

pith:V57KDSJ2

pith:2011:V57KDSJ2Y3RYCTZJZ3IJKLGFOP

not attested not anchored not stored refs pending

Spherical Casimir pistons

J.S.Dowker

arxiv:1102.1946 v2 · 2011-02-09 · hep-th · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V57KDSJ2Y3RYCTZJZ3IJKLGFOP}

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	2026-05-18T04:18:35.745377Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af7ea1c93ac6e3814f29ced0952cc573e57a96c101456200002d8e2a52a601ca

Aliases

arxiv: 1102.1946 · arxiv_version: 1102.1946v2 · doi: 10.48550/arxiv.1102.1946 · pith_short_12: V57KDSJ2Y3RY · pith_short_16: V57KDSJ2Y3RYCTZJ · pith_short_8: V57KDSJ2

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/V57KDSJ2Y3RYCTZJZ3IJKLGFOP \
  | 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: af7ea1c93ac6e3814f29ced0952cc573e57a96c101456200002d8e2a52a601ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ad93a721b2fa81e23683a3327edf93b7dd598d33f053c0b3815575c756f0092",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2011-02-09T19:22:49Z",
    "title_canon_sha256": "a96f3b74470978368445bd12e9f74d9be1c2343c3f99ef94122021f18eef8900"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.1946",
    "kind": "arxiv",
    "version": 2
  }
}