Pith Number

pith:O7QUBN27

pith:2018:O7QUBN27CECRKCU5M2GYYLYN4G

not attested not anchored not stored refs pending

Suppression of Dielectronic Recombination Due to Finite Density Effects II: Analytical Refinement and Application to Density-dependent Ionization Balances and AGN Broad-line Emission

D. Nikoli\'c, F. Guzm\'an, G. J. Ferland, K. T. Korista, M. Chatzikos, N. R. Badnell, P. A. M. van Hoof, R. J. R. Williams, T. W. Gorczyca

arxiv:1808.07365 v1 · 2018-08-22 · 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{O7QUBN27CECRKCU5M2GYYLYN4G}

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	2026-05-18T00:06:56.931025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77e140b75f1105150a9d668d8c2f0de1a91e5e446df07847abcf7973676114e6

Aliases

arxiv: 1808.07365 · arxiv_version: 1808.07365v1 · doi: 10.48550/arxiv.1808.07365 · pith_short_12: O7QUBN27CECR · pith_short_16: O7QUBN27CECRKCU5 · pith_short_8: O7QUBN27

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/O7QUBN27CECRKCU5M2GYYLYN4G \
  | 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: 77e140b75f1105150a9d668d8c2f0de1a91e5e446df07847abcf7973676114e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0161d7a2d72f181ee1647f55d3925adb6be1d5684ea8150ff55b346a372daf07",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2018-08-22T13:57:03Z",
    "title_canon_sha256": "a6ca32fa52a57d436061c56e261de5a41b1b4bfe05adfffb17bbc6ab168a5bac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.07365",
    "kind": "arxiv",
    "version": 1
  }
}