Pith Number

pith:3RCI6QPH

pith:2018:3RCI6QPHAZFJST3GFPI65FU5LA

not attested not anchored not stored refs pending

On the entropy of a spherical plasma shell

K. Kirsten, M. Bordag

arxiv:1805.11241 v2 · 2018-05-29 · 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{3RCI6QPHAZFJST3GFPI65FU5LA}

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	2026-05-17T23:59:08.822501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc448f41e7064a994f662bd1ee969d58258ffc4c0aca1412699386d24a75a413

Aliases

arxiv: 1805.11241 · arxiv_version: 1805.11241v2 · doi: 10.48550/arxiv.1805.11241 · pith_short_12: 3RCI6QPHAZFJ · pith_short_16: 3RCI6QPHAZFJST3G · pith_short_8: 3RCI6QPH

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/3RCI6QPHAZFJST3GFPI65FU5LA \
  | 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: dc448f41e7064a994f662bd1ee969d58258ffc4c0aca1412699386d24a75a413

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d5a86e4bda872a1f7f9eafe93c26190e318f95678093295c1401ece84a125ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-05-29T04:29:21Z",
    "title_canon_sha256": "43e0fda6f60f44988f3141063a47d6b42d73dc3115eb1ff0cf408b4d9b34c4a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.11241",
    "kind": "arxiv",
    "version": 2
  }
}