Pith Number

pith:7CYSAKML

pith:2026:7CYSAKMLS5Q3U4FAXNLQLS4LVR

not attested not anchored not stored refs pending

HIR: A collisional-radiative model for hydrogen ionization in plasma with anisotropic fast ions

Sergey Polosatkin

arxiv:2607.25556 v1 · 2026-07-28 · 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{7CYSAKMLS5Q3U4FAXNLQLS4LVR}

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	2026-07-29T01:25:46.631411Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8b120298b9761ba70a0bb5705cb8bac42190ece8c035c9b1e51d3d250aca577

Aliases

arxiv: 2607.25556 · arxiv_version: 2607.25556v1 · doi: 10.48550/arxiv.2607.25556 · pith_short_12: 7CYSAKMLS5Q3 · pith_short_16: 7CYSAKMLS5Q3U4FA · pith_short_8: 7CYSAKML

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/7CYSAKMLS5Q3U4FAXNLQLS4LVR \
  | 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: f8b120298b9761ba70a0bb5705cb8bac42190ece8c035c9b1e51d3d250aca577

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca5f1b14a45a243d999f6c3fc8be579ee994cbbcb3e499478bbfd2347fbaded3",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.plasm-ph",
    "submitted_at": "2026-07-28T10:37:42Z",
    "title_canon_sha256": "c3a9e09952c436b6cc132237950210398b8e32adf234be94fe3a405e888b8dc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.25556",
    "kind": "arxiv",
    "version": 1
  }
}