Pith. sign in
Pith Number

pith:KFKMBVXE

pith:2005:KFKMBVXEO5TCIHNPGU73QPC4AF
not attested not anchored not stored refs pending

The [Fe IV] Discrepancy: Constraining the Iron Abundances in Nebulae

Monica Rodriguez, Robert H. Rubin

arxiv:astro-ph/0504131 v2 · 2005-04-05 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{KFKMBVXEO5TCIHNPGU73QPC4AF}

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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-07-04T16:51:52.612750Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

5154c0d6e47766241daf353fb83c5c017ca43767a1f5e09d480d211b03c9835a

Aliases

arxiv: astro-ph/0504131 · arxiv_version: astro-ph/0504131v2 · doi: 10.48550/arxiv.astro-ph/0504131 · pith_short_12: KFKMBVXEO5TC · pith_short_16: KFKMBVXEO5TCIHNP · pith_short_8: KFKMBVXE
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/KFKMBVXEO5TCIHNPGU73QPC4AF \
  | 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: 5154c0d6e47766241daf353fb83c5c017ca43767a1f5e09d480d211b03c9835a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "5bd9e446fd32841ebb1918cbffa0712a11886d53e669a7fffda7dbcc677fc2e2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-04-05T23:10:44Z",
    "title_canon_sha256": "f7e9f6697d529e5f8f6ade966536668ab52eb3ff46a2a8273db00da79d1e22f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0504131",
    "kind": "arxiv",
    "version": 2
  }
}