Pith Number

pith:VUOOGTA4

pith:2010:VUOOGTA4CPANEB6PJSXOY4XAYT

not attested not anchored not stored refs pending

The Effelsberg-Bonn HI Survey: Data reduction

B. Winkel, J. Kerp, L. Floeer, P. M. W. Kalberla

arxiv:1005.4604 v1 · 2010-05-25 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VUOOGTA4CPANEB6PJSXOY4XAYT}

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	2026-05-18T02:07:14.662097Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad1ce34c1c13c0d207cf4caeec72e0c4eddee8f820c8be0cca3689270d2cdb3b

Aliases

arxiv: 1005.4604 · arxiv_version: 1005.4604v1 · doi: 10.48550/arxiv.1005.4604 · pith_short_12: VUOOGTA4CPAN · pith_short_16: VUOOGTA4CPANEB6P · pith_short_8: VUOOGTA4

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/VUOOGTA4CPANEB6PJSXOY4XAYT \
  | 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: ad1ce34c1c13c0d207cf4caeec72e0c4eddee8f820c8be0cca3689270d2cdb3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5690f3cd440c79fa3de4ea7316809adfed7309df4983e7531b2b9b55e167ba1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2010-05-25T15:22:29Z",
    "title_canon_sha256": "a3772461d554f254c2b4e936368ee6751ceb948fa89b08cb78c4e4bf013dc27d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.4604",
    "kind": "arxiv",
    "version": 1
  }
}