Pith Number

pith:RQLT3TVZ

pith:2010:RQLT3TVZIVDDQEXSQBWRANO4BL

not attested not anchored not stored refs pending

HI-selected Galaxies as a probe of Quasar Absorption Systems

Katsuya Okoshi, Masahiro Nagashima, Naoteru Gouda, Yousuke Minowa

arxiv:1002.0491 v1 · 2010-02-02 · 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{RQLT3TVZIVDDQEXSQBWRANO4BL}

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	2026-05-18T02:09:20.930213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c173dceb945463812f2806d1035dc0acb9923b059ede5034d10092494e73320

Aliases

arxiv: 1002.0491 · arxiv_version: 1002.0491v1 · doi: 10.48550/arxiv.1002.0491 · pith_short_12: RQLT3TVZIVDD · pith_short_16: RQLT3TVZIVDDQEXS · pith_short_8: RQLT3TVZ

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/RQLT3TVZIVDDQEXSQBWRANO4BL \
  | 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: 8c173dceb945463812f2806d1035dc0acb9923b059ede5034d10092494e73320

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b055a4b16bfa112dd1aa56aeb9ce6036155ba94a32feb2d7f1a0f4e9df9f4cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-02-02T13:57:49Z",
    "title_canon_sha256": "5139373f985657467c7ad2548beeb7a13a497d1e8ed4b85cb4053ceb915d5b82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.0491",
    "kind": "arxiv",
    "version": 1
  }
}