Pith Number

pith:UIAMKWF4

pith:2011:UIAMKWF4XISWG4QAEBYBZKFLHZ

not attested not anchored not stored refs pending

Casimir Energy and Entropy in the Sphere--Sphere Geometry

Pablo Rodriguez-Lopez

arxiv:1104.5447 v2 · 2011-04-28 · cond-mat.stat-mech · 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{UIAMKWF4XISWG4QAEBYBZKFLHZ}

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	2026-05-18T02:02:13.446119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a200c558bcba2563720020701ca8ab3e786cc8083d9248188eae398a7b248149

Aliases

arxiv: 1104.5447 · arxiv_version: 1104.5447v2 · doi: 10.48550/arxiv.1104.5447 · pith_short_12: UIAMKWF4XISW · pith_short_16: UIAMKWF4XISWG4QA · pith_short_8: UIAMKWF4

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/UIAMKWF4XISWG4QAEBYBZKFLHZ \
  | 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: a200c558bcba2563720020701ca8ab3e786cc8083d9248188eae398a7b248149

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37de11ff9678b4240ee0fe46b48e01e7b500a0f1671e75075ff15ba5b2aa1a03",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2011-04-28T17:00:02Z",
    "title_canon_sha256": "4c2a4fbd7571ef91f2e935eb821be8e29407e254dfec7a2ac0e19fbce296b162"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.5447",
    "kind": "arxiv",
    "version": 2
  }
}