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Pith Number

pith:KL6N4MP7

pith:2005:KL6N4MP7ZGCNPGXT6LJFOZWN4B
not attested not anchored not stored refs pending

[O II] line ratios

Anil K. Pradhan, Maximiliano Montenegro, Sultana N. Nahar (Ohio State) Werner Eissner (Stuttgart)

arxiv:astro-ph/0510099 v1 · 2005-10-04 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{KL6N4MP7ZGCNPGXT6LJFOZWN4B}

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 2026-05-18T01:07:26.014515Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

52fcde31ffc984d79af3f2d25766cde06f7b185777cff7bf2eeaefc38fa37fc1

Aliases

arxiv: astro-ph/0510099 · arxiv_version: astro-ph/0510099v1 · doi: 10.48550/arxiv.astro-ph/0510099 · pith_short_12: KL6N4MP7ZGCN · pith_short_16: KL6N4MP7ZGCNPGXT · pith_short_8: KL6N4MP7
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/KL6N4MP7ZGCNPGXT6LJFOZWN4B \
  | 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: 52fcde31ffc984d79af3f2d25766cde06f7b185777cff7bf2eeaefc38fa37fc1
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "54e79781167c950c8204760449c5e38bd9dafa6ceabe041c24916b06e8a73821",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-10-04T20:16:00Z",
    "title_canon_sha256": "4f4a0d79d243f3c8cdfce70f77e06f60cec6fd03bbeb4eba3cb77bc0b9ac5315"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0510099",
    "kind": "arxiv",
    "version": 1
  }
}