Pith Number

pith:4O25LSUR

pith:2019:4O25LSURVXZSHFMIH6XW2VYJXB

not attested not anchored not stored refs pending

Calculating Opacity in Hot, Dense Matter using Second-Order Electron-Photon and Two-Photon Transitions to Approximate Line Broadening

R.A. Baggott, S.J. Rose, S.P.D. Mangles

arxiv:1910.03657 v2 · 2019-10-08 · physics.plasm-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{4O25LSURVXZSHFMIH6XW2VYJXB}

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	2026-07-05T01:39:41.476995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3b5d5ca91adf32395883faf6d5709b87112b1e034671996c40dff40ba45a140

Aliases

arxiv: 1910.03657 · arxiv_version: 1910.03657v2 · doi: 10.48550/arxiv.1910.03657 · pith_short_12: 4O25LSURVXZS · pith_short_16: 4O25LSURVXZSHFMI · pith_short_8: 4O25LSUR

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/4O25LSURVXZSHFMIH6XW2VYJXB \
  | 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: e3b5d5ca91adf32395883faf6d5709b87112b1e034671996c40dff40ba45a140

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c6971b7b6bd96f53d711f23c316e181763d15e866351bdb1ab2f483904eabd3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.plasm-ph",
    "submitted_at": "2019-10-08T19:33:44Z",
    "title_canon_sha256": "b80b1e2e16c83e3e7d93db6a28b926330a1feba85de1ea8580e427c9343fa726"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.03657",
    "kind": "arxiv",
    "version": 2
  }
}