Pith Number

pith:LUVDBPF3

pith:2018:LUVDBPF3WSKMFFAVCLJKCL6EPQ

not attested not anchored not stored refs pending

QSO MUSEUM I: A sample of 61 extended Ly$\alpha$-emission nebulae surrounding $z\sim3$ quasars

E. Lusso (CEA), E.P. Farina (UCSB), F. Arrigoni Battaia (ESO, J.F. Hennawi (UCSB, Jose O\~norbe (IfA), J.X. Prochaska (UCSC), MPIA), S. Cantalupo (ETH)

arxiv:1808.10857 v1 · 2018-08-31 · 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{LUVDBPF3WSKMFFAVCLJKCL6EPQ}

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	2026-05-18T00:01:57.939017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d2a30bcbbb494c2941512d2a12fc47c1b827e9e9d12a7a1b9120c62d6d2ad94

Aliases

arxiv: 1808.10857 · arxiv_version: 1808.10857v1 · doi: 10.48550/arxiv.1808.10857 · pith_short_12: LUVDBPF3WSKM · pith_short_16: LUVDBPF3WSKMFFAV · pith_short_8: LUVDBPF3

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/LUVDBPF3WSKMFFAVCLJKCL6EPQ \
  | 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: 5d2a30bcbbb494c2941512d2a12fc47c1b827e9e9d12a7a1b9120c62d6d2ad94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c30382a79df9f47aedb80f6bb047a8dea0bc537920f5ed33a873cfae283d02b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-08-31T17:36:53Z",
    "title_canon_sha256": "53b481a06a2e6aeaeec3d7a15293a018a9b7122394e37e2210fdc2ea8d3008cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.10857",
    "kind": "arxiv",
    "version": 1
  }
}