Pith Number

pith:DFOZ3IGY

pith:2011:DFOZ3IGYAXLVQKE6SQFQSRMAJN

not attested not anchored not stored refs pending

Nitrogen line spectroscopy of O-stars -- I. Nitrogen III emission line formation revisited

Francisco Najarro, Joachim Puls, Jorge G. Rivero Gonzalez

arxiv:1109.3595 v1 · 2011-09-16 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DFOZ3IGYAXLVQKE6SQFQSRMAJN}

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	2026-05-18T02:00:31.880026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

195d9da0d805d758289e940b0945804b6689ccfc15be6a34311518e44a5d94c0

Aliases

arxiv: 1109.3595 · arxiv_version: 1109.3595v1 · doi: 10.48550/arxiv.1109.3595 · pith_short_12: DFOZ3IGYAXLV · pith_short_16: DFOZ3IGYAXLVQKE6 · pith_short_8: DFOZ3IGY

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/DFOZ3IGYAXLVQKE6SQFQSRMAJN \
  | 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: 195d9da0d805d758289e940b0945804b6689ccfc15be6a34311518e44a5d94c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1dbb578185f2d8cbfe31f2fbcb955e8b93bc36a82871a6c865df08d64ee2cdeb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-09-16T12:18:36Z",
    "title_canon_sha256": "e383e7439d6d4cb1c5c077f96bd39bc899997f02fdb57376e307ee06929bca59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.3595",
    "kind": "arxiv",
    "version": 1
  }
}