Pith Number

pith:JBRNQJNT

pith:2018:JBRNQJNTFA44XDMZYLIQOSYNGZ

not attested not anchored not stored refs pending

Ab-initio simulations and measurements of the free-free opacity in Aluminum

C. Cacho, C. Spindloe, E. Springate, I.C.E. Turcu, J.S. Wark, M.P. Desjarlais, O. Ciricosta, P. Hollebon, S.M. Vinko

arxiv:1806.02726 v1 · 2018-06-07 · physics.plasm-ph · physics.atom-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{JBRNQJNTFA44XDMZYLIQOSYNGZ}

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	2026-07-05T00:15:33.764644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4862d825b32839cb8d99c2d1074b0d3653b9259f34062d4e87e98eb4f0f26db2

Aliases

arxiv: 1806.02726 · arxiv_version: 1806.02726v1 · doi: 10.48550/arxiv.1806.02726 · pith_short_12: JBRNQJNTFA44 · pith_short_16: JBRNQJNTFA44XDMZ · pith_short_8: JBRNQJNT

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/JBRNQJNTFA44XDMZYLIQOSYNGZ \
  | 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: 4862d825b32839cb8d99c2d1074b0d3653b9259f34062d4e87e98eb4f0f26db2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80193972cf363dabf045d7f32fd3ce87bfeeea82df9f72a0aa69a3f2293da278",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.plasm-ph",
    "submitted_at": "2018-06-07T15:17:12Z",
    "title_canon_sha256": "83fcdaa40d85ed4710ab826e6be0e4f46186deb33cfd6007bb8fa9ef8d04a40b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.02726",
    "kind": "arxiv",
    "version": 1
  }
}