Pith Number

pith:W5Q2JM2U

pith:2001:W5Q2JM2UWQ7D2IB7ER7JWNANQY

not attested not anchored not stored refs pending

Do LINER 2 galaxies harbour low-luminosity Active Galactic Nuclei?

N. J. Schurch, R.S. Warwick (University of Leicester, T. P. Roberts, UK.)

arxiv:astro-ph/0101475 v1 · 2001-01-26 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W5Q2JM2UWQ7D2IB7ER7JWNANQY}

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	2026-05-18T01:07:46.099562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b761a4b354b43e3d203f247e9b340d8622397175d2456ff5b995b28a6097bd69

Aliases

arxiv: astro-ph/0101475 · arxiv_version: astro-ph/0101475v1 · doi: 10.48550/arxiv.astro-ph/0101475 · pith_short_12: W5Q2JM2UWQ7D · pith_short_16: W5Q2JM2UWQ7D2IB7 · pith_short_8: W5Q2JM2U

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/W5Q2JM2UWQ7D2IB7ER7JWNANQY \
  | 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: b761a4b354b43e3d203f247e9b340d8622397175d2456ff5b995b28a6097bd69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b426b2874361e5458a2c7d5aed5321e255a1eeb9462e7c93f76b2b1e2b3b00d6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-01-26T11:52:13Z",
    "title_canon_sha256": "ef3c59aa97217474640b6d9d0f432d81a8a4313c27a76eb2dee86a8fa7977f24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0101475",
    "kind": "arxiv",
    "version": 1
  }
}