Pith Number

pith:VIHYB35M

pith:2009:VIHYB35MXK5DAJLVVX46B32JA4

not attested not anchored not stored refs pending

VIVA, VLA Imaging of Virgo spirals in Atomic gas: I. The Atlas & The HI Properties

Aeree Chung, Bernd Vollmer, Hugh Crowl, Jeffrey D. P. Kenney, J. H. van Gorkom

arxiv:0909.0781 v2 · 2009-09-03 · 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{VIHYB35MXK5DAJLVVX46B32JA4}

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	2026-05-18T02:12:00.036029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa0f80efacbaba302575adf9e0ef490727c95a10cce73e0676b52a71de59d651

Aliases

arxiv: 0909.0781 · arxiv_version: 0909.0781v2 · doi: 10.48550/arxiv.0909.0781 · pith_short_12: VIHYB35MXK5D · pith_short_16: VIHYB35MXK5DAJLV · pith_short_8: VIHYB35M

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/VIHYB35MXK5DAJLVVX46B32JA4 \
  | 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: aa0f80efacbaba302575adf9e0ef490727c95a10cce73e0676b52a71de59d651

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db42b54e6a1b0d0b4d1a5c79a0eae1fb9066c38cb41e529f70f4b6d010cb3a15",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-09-03T22:47:43Z",
    "title_canon_sha256": "6f9f6b5641362d67c9425bbb659080d123d71dfeafd750c350d3cf4ab233f16d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.0781",
    "kind": "arxiv",
    "version": 2
  }
}