Pith Number

pith:WUDQOABA

pith:2018:WUDQOABAYY72IZWMNDWMIVFY3Z

not attested not anchored not stored refs pending

The Diversity of Atomic Hydrogen in Slow Rotator Early-type Galaxies

Davor Krajnovi\'c, Lisa M. Young, Paolo Serra, Pierre-Alain Duc

arxiv:1802.09495 v1 · 2018-02-26 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WUDQOABAYY72IZWMNDWMIVFY3Z}

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	2026-05-18T00:21:05.673678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b507070020c63fa466cc68ecc454b8de5afb5ba33691c0e8d49b2efb6c8bc903

Aliases

arxiv: 1802.09495 · arxiv_version: 1802.09495v1 · doi: 10.48550/arxiv.1802.09495 · pith_short_12: WUDQOABAYY72 · pith_short_16: WUDQOABAYY72IZWM · pith_short_8: WUDQOABA

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/WUDQOABAYY72IZWMNDWMIVFY3Z \
  | 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: b507070020c63fa466cc68ecc454b8de5afb5ba33691c0e8d49b2efb6c8bc903

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d225128c023f03751a8e5b9cd4f7d5001d78e2f966a3c95aee15e5361a43c9c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-02-26T18:20:44Z",
    "title_canon_sha256": "480af69ce5c0f9b4f132259eed231d0da8245e0fab9788f09aac94aca40ebd3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09495",
    "kind": "arxiv",
    "version": 1
  }
}