Pith Number

pith:FCBUJCWN

pith:2009:FCBUJCWNMSQ43RUT7ZC4SDKK6I

not attested not anchored not stored refs pending

A High-Resolution Study of Two Galactic HI Halo Clouds in the Ophiuchus Superbubble

(2) National Radio Astronomy Observatory), Felix J. Lockman (2), Michael P. Rupen (2) ((1) Joint Institute for VLBI in Europe, Yurii Pidopryhora (1)

arxiv:0901.4170 v1 · 2009-01-27 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FCBUJCWNMSQ43RUT7ZC4SDKK6I}

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	2026-05-18T02:14:55.720483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2883448acd64a1cdc693fe45c90d4af207492fe88a5022003e609b25d7fdae11

Aliases

arxiv: 0901.4170 · arxiv_version: 0901.4170v1 · doi: 10.48550/arxiv.0901.4170 · pith_short_12: FCBUJCWNMSQ4 · pith_short_16: FCBUJCWNMSQ43RUT · pith_short_8: FCBUJCWN

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/FCBUJCWNMSQ43RUT7ZC4SDKK6I \
  | 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: 2883448acd64a1cdc693fe45c90d4af207492fe88a5022003e609b25d7fdae11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf74173c07e0a2ac4515074eff656c1e134325614d4de34d4679d0aa4c6e5a57",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-01-27T04:18:32Z",
    "title_canon_sha256": "1b80719f6e630c8d4177408e4f26abb290abae41d2b00b917aa4ef43695195f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.4170",
    "kind": "arxiv",
    "version": 1
  }
}