Pith Number

pith:L6TSAQ4M

pith:2004:L6TSAQ4MG2TPS75N6MXNAFBYES

not attested not anchored not stored refs pending

HI Observations of an Ultra-Compact High-Velocity Cloud

C. Bruens, T. Westmeier

arxiv:astro-ph/0409153 v1 · 2004-09-07 · 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{L6TSAQ4MG2TPS75N6MXNAFBYES}

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	2026-05-18T04:14:55.427675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fa720438c36a6f97fadf32ed01438249cf71eb97e947ee2e93ba4c6f807382e

Aliases

arxiv: astro-ph/0409153 · arxiv_version: astro-ph/0409153v1 · doi: 10.48550/arxiv.astro-ph/0409153 · pith_short_12: L6TSAQ4MG2TP · pith_short_16: L6TSAQ4MG2TPS75N · pith_short_8: L6TSAQ4M

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/L6TSAQ4MG2TPS75N6MXNAFBYES \
  | 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: 5fa720438c36a6f97fadf32ed01438249cf71eb97e947ee2e93ba4c6f807382e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d703cf90ba364bb23f8b53e331552f9ad257b2492cde451e66d37046424e955",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-09-07T12:50:35Z",
    "title_canon_sha256": "fb7845ca4af562714a66c316100f12e465cd7930267ddb9ceeec27ce4214908f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0409153",
    "kind": "arxiv",
    "version": 1
  }
}