Pith Number

pith:OQW4FVZ6

pith:2010:OQW4FVZ6BVO4Q335Q5QMQVKNHD

not attested not anchored not stored refs pending

The Westerbork Hydrogen Accretion in Local Galaxies (HALOGAS) Survey I. Survey Description and Pilot Observations

Eva Juette, Filippo Fraternali, George Heald, Gianfranco Gentile, Gyula Jozsa, Laura Zschaechner, Paolo Serra, Rene Walterbos, Richard Rand, Tom Oosterloo

arxiv:1012.0816 v1 · 2010-12-03 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OQW4FVZ6BVO4Q335Q5QMQVKNHD}

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.

Cited by

1 paper in Pith

Tracing Cold Gas in Absorption Across Cosmic Time with the SKA

Receipt and verification

First computed	2026-05-18T02:04:33.165037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

742dc2d73e0d5dc86f7d8760c8554d38cf4cc6e6928a21b30a5b86b5c9f6e64b

Aliases

arxiv: 1012.0816 · arxiv_version: 1012.0816v1 · doi: 10.48550/arxiv.1012.0816 · pith_short_12: OQW4FVZ6BVO4 · pith_short_16: OQW4FVZ6BVO4Q335 · pith_short_8: OQW4FVZ6

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/OQW4FVZ6BVO4Q335Q5QMQVKNHD \
  | 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: 742dc2d73e0d5dc86f7d8760c8554d38cf4cc6e6928a21b30a5b86b5c9f6e64b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63eb5259ad91bde70c3c6bc546f60d5ba3f6544000cb0b65a194cefe414054a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-12-03T19:01:30Z",
    "title_canon_sha256": "45167b3e480e7ed6d52c0766f303519301d4dfe260cdc07bb4ccb72096ed9409"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.0816",
    "kind": "arxiv",
    "version": 1
  }
}