Pith Number

pith:LKELUBQE

pith:2017:LKELUBQEERDZNHNTSOXJG5EV3B

not attested not anchored not stored refs pending

The Discovery of a Five-Image Lensed Quasar at z = 3.34 using PanSTARRS1 and Gaia

Andrew J. Connolly, Cameron A. Lemon, Christopher D. Fassnacht, Cristian E. Rusu, Estelle Pons, Fernanda Ostrovski, Geoff C.-F. Chen, Matthew W. Auger, Richard G. McMahon, Sergey E. Koposov, Sophie L. Reed

arxiv:1709.08975 v2 · 2017-09-26 · 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{LKELUBQEERDZNHNTSOXJG5EV3B}

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	2026-05-18T00:27:43.092725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a88ba06042447969db393ae937495d85a585bc35f8fd8f33339f14a50eb37e9

Aliases

arxiv: 1709.08975 · arxiv_version: 1709.08975v2 · doi: 10.48550/arxiv.1709.08975 · pith_short_12: LKELUBQEERDZ · pith_short_16: LKELUBQEERDZNHNT · pith_short_8: LKELUBQE

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/LKELUBQEERDZNHNTSOXJG5EV3B \
  | 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: 5a88ba06042447969db393ae937495d85a585bc35f8fd8f33339f14a50eb37e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e15f4fba1984460b0be5eb0912a3b13de3ec3388d521f697887d5c8f32f188d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-09-26T12:38:02Z",
    "title_canon_sha256": "3fd174d5123d06835e62694e6a08ba4cfe0f02bfe67464ca7af57955faef14b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.08975",
    "kind": "arxiv",
    "version": 2
  }
}