Pith Number

pith:OQJFSLC6

pith:2011:OQJFSLC6RYQUTVDLWIDII6N3LK

not attested not anchored not stored refs pending

Quantified HI Morphology V: HI Disks in the Virgo Cluster

((1) European Space Agency, 2), (2) Astrophysics, (3) Space Telescope Science Institute, (4) GEPI, Astronomy Department, B. W. Holwerda (1, CNRS), Cosmology, ESTEC, Gravity Centre (ACGC), N. Pirzkal (3), Observatoire de Paris, University of Cape Town, W.J.G. de Blok (2), W. van Driel (4)

arxiv:1104.3305 v1 · 2011-04-17 · 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{OQJFSLC6RYQUTVDLWIDII6N3LK}

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	2026-05-18T02:02:24.049168Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7412592c5e8e2149d46bb2068479bb5a957bb8294cc215b7c2c6e59a24bda9b3

Aliases

arxiv: 1104.3305 · arxiv_version: 1104.3305v1 · doi: 10.48550/arxiv.1104.3305 · pith_short_12: OQJFSLC6RYQU · pith_short_16: OQJFSLC6RYQUTVDL · pith_short_8: OQJFSLC6

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/OQJFSLC6RYQUTVDLWIDII6N3LK \
  | 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: 7412592c5e8e2149d46bb2068479bb5a957bb8294cc215b7c2c6e59a24bda9b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea857f6e5feabcff9f628178cb7042c33d00d55e0fb3321272629893fe80b6ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-04-17T11:23:40Z",
    "title_canon_sha256": "467c8e4063fc3dbe344568a560d6a3f0b13f32be6416274aa2a3ec70567ecbb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.3305",
    "kind": "arxiv",
    "version": 1
  }
}