Pith Number

pith:LX3BUDJV

pith:2022:LX3BUDJV6BWUO3HXSBG73CVOJY

not attested not anchored not stored refs pending

A Chandra Virgo cluster survey of spiral galaxies. I. Introduction to the survey and a new ULX sample

Alexander Guest, Alister W. Graham, Ariane Lan\c{c}on, Christian Motch, Douglas A. Swartz, James C. A. Miller-Jones, Laura Ferrarese, Mari Kolehmainen, Mihoko Yukita, Richard M. Plotkin, Roberto Soria, Thomas H. Jarrett, Thomas J. Maccarone

arxiv:2201.07242 v1 · 2022-01-18 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LX3BUDJV6BWUO3HXSBG73CVOJY}

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	2026-07-05T03:55:17.076392Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5df61a0d35f06d476cf7904dfd8aae4e30d302efff8c469a01dedbd0622af11c

Aliases

arxiv: 2201.07242 · arxiv_version: 2201.07242v1 · doi: 10.48550/arxiv.2201.07242 · pith_short_12: LX3BUDJV6BWU · pith_short_16: LX3BUDJV6BWUO3HX · pith_short_8: LX3BUDJV

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/LX3BUDJV6BWUO3HXSBG73CVOJY \
  | 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: 5df61a0d35f06d476cf7904dfd8aae4e30d302efff8c469a01dedbd0622af11c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "428a758f4de43176b6aec047b977216e7ee2387cb301c2e71f87f67feb19d129",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-01-18T19:00:01Z",
    "title_canon_sha256": "341a7045d50657899ded4a2f425925992918d308d195d1716ac52da36d8903e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.07242",
    "kind": "arxiv",
    "version": 1
  }
}