Pith Number

pith:I4YVIKMU

pith:1998:I4YVIKMUALSOYCKAIVCG2DX46N

not attested not anchored not stored refs pending

High Velocity Clouds: Building Blocks of the Local Group

2), (2) University of California, 3), (3) Princeton University, (4) Harvard-Smithsonian Center for Astrophysics, (5) Leiden University), Berkeley, College Park, Dap Hartmann (4), David N. Spergel (1, Leo Blitz (1, Peter J. Teuben (1), W. Butler Burton (5) ((1) University of Maryland

arxiv:astro-ph/9803251 v1 · 1998-03-20 · 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{I4YVIKMUALSOYCKAIVCG2DX46N}

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	2026-05-18T04:35:03.733993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

473154299402e4ec094045446d0efcf34ddd7f2a143c73a977922abfcadf6839

Aliases

arxiv: astro-ph/9803251 · arxiv_version: astro-ph/9803251v1 · doi: 10.48550/arxiv.astro-ph/9803251 · pith_short_12: I4YVIKMUALSO · pith_short_16: I4YVIKMUALSOYCKA · pith_short_8: I4YVIKMU

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/I4YVIKMUALSOYCKAIVCG2DX46N \
  | 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: 473154299402e4ec094045446d0efcf34ddd7f2a143c73a977922abfcadf6839

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e417cc33264311510cfab05afc53b6e6721fbde39791102ad39964aa70eb8a9",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-03-20T21:35:28Z",
    "title_canon_sha256": "e35d5a933e1d52d3a5f02aaf413e7f9887ecf3bb6067dffb0bfd85b2e913d86f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9803251",
    "kind": "arxiv",
    "version": 1
  }
}