Pith Number

pith:5PWFL5IT

pith:2011:5PWFL5ITRZHU2CQTF5BMKBKQAN

not attested not anchored not stored refs pending

Nitrogen line spectroscopy in O-stars -- II. Surface nitrogen abundances for O-stars in the Large Magellanic Cloud

F. Najarro, I. Brott, J.G. Rivero Gonzalez, J. Puls

arxiv:1110.5148 v1 · 2011-10-24 · 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{5PWFL5ITRZHU2CQTF5BMKBKQAN}

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	2026-05-18T02:00:06.511277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebec55f5138e4f4d0a132f42c5055003629b1d2117f437003c66eab66d9dcb39

Aliases

arxiv: 1110.5148 · arxiv_version: 1110.5148v1 · doi: 10.48550/arxiv.1110.5148 · pith_short_12: 5PWFL5ITRZHU · pith_short_16: 5PWFL5ITRZHU2CQT · pith_short_8: 5PWFL5IT

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/5PWFL5ITRZHU2CQTF5BMKBKQAN \
  | 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: ebec55f5138e4f4d0a132f42c5055003629b1d2117f437003c66eab66d9dcb39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39796e1d5afb306d5174e4510764c2630d53ac228e58f0310279f6f64a060a4c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-10-24T07:39:26Z",
    "title_canon_sha256": "286f0071788ccfcfff70b2c508713787e43ec243a5bbede554414496deb1d653"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.5148",
    "kind": "arxiv",
    "version": 1
  }
}