Pith Number

pith:LV3NRNN6

pith:2004:LV3NRNN6QL7BKOWQHB6A4PDFHV

not attested not anchored not stored refs pending

High Resolution Imaging of the HeII lambda 4686 Emission Line Nebula Associated with the Ultraluminous X-Ray Source in Holmberg II

A.Zezas, M.J.Ward, P. Kaaret

arxiv:astro-ph/0407031 v1 · 2004-07-01 · astro-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{LV3NRNN6QL7BKOWQHB6A4PDFHV}

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	2026-07-04T16:44:13.871970Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d76d8b5be82fe153ad0387c0e3c653d687983ac3c0bc58cc20d4bc110fa055e

Aliases

arxiv: astro-ph/0407031 · arxiv_version: astro-ph/0407031v1 · doi: 10.48550/arxiv.astro-ph/0407031 · pith_short_12: LV3NRNN6QL7B · pith_short_16: LV3NRNN6QL7BKOWQ · pith_short_8: LV3NRNN6

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/LV3NRNN6QL7BKOWQHB6A4PDFHV \
  | 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: 5d76d8b5be82fe153ad0387c0e3c653d687983ac3c0bc58cc20d4bc110fa055e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd40466753d3ae924d739ad8c9ae2f25f17aacb269bceb92b56ce8720fc92006",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-07-01T20:00:35Z",
    "title_canon_sha256": "65b49edae939dfeac304cc44c19d020b86e3ed35ebbbb5a1c36811fd041a16f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0407031",
    "kind": "arxiv",
    "version": 1
  }
}