Pith Number

pith:HE4NZ76Y

pith:2001:HE4NZ76YJHFCIWD4CUZ45TQTCS

not attested not anchored not stored refs pending

Interstellar O VI in the Large Magellanic Cloud

J. Christopher Howk

arxiv:astro-ph/0109224 v1 · 2001-09-14 · 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{HE4NZ76YJHFCIWD4CUZ45TQTCS}

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	2026-07-04T14:11:28.507937Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3938dcffd849ca24587c1533cece1314b2ab16259b925f1c1455906a2b66ece3

Aliases

arxiv: astro-ph/0109224 · arxiv_version: astro-ph/0109224v1 · doi: 10.48550/arxiv.astro-ph/0109224 · pith_short_12: HE4NZ76YJHFC · pith_short_16: HE4NZ76YJHFCIWD4 · pith_short_8: HE4NZ76Y

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/HE4NZ76YJHFCIWD4CUZ45TQTCS \
  | 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: 3938dcffd849ca24587c1533cece1314b2ab16259b925f1c1455906a2b66ece3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddf0f333cadb894289cf238674fe410cad605924edf8f25d20d295b0fb9f8097",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-09-14T14:20:58Z",
    "title_canon_sha256": "237862c917907b2801695ff26fdae82ae942e134679b6998af0104b096e43c61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0109224",
    "kind": "arxiv",
    "version": 1
  }
}