Pith Number

pith:ZLQS26XZ

pith:2011:ZLQS26XZEY6SZDKMDSARSDW5YL

not attested not anchored not stored refs pending

A Candidate Dual AGN at z=1.175

Anthony Gonzalez, Christopher D. Fassnacht, Daniel Stern, David J. Lagattuta, Fiona Harrison, J. Davy Kirkpatrick, Julia M. Comerford, Kristin Madsen, Michael C. Cushing, Roberto J. Assef, Roger Griffith, R. Scott Barrows, Ryan Hickox

arxiv:1109.3469 v1 · 2011-09-15 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZLQS26XZEY6SZDKMDSARSDW5YL}

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	2026-05-18T02:00:32.201384Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cae12d7af9263d2c8d4c1c81190eddc2ddd7282a283f4d535d792f6fb0823fed

Aliases

arxiv: 1109.3469 · arxiv_version: 1109.3469v1 · doi: 10.48550/arxiv.1109.3469 · pith_short_12: ZLQS26XZEY6S · pith_short_16: ZLQS26XZEY6SZDKM · pith_short_8: ZLQS26XZ

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/ZLQS26XZEY6SZDKMDSARSDW5YL \
  | 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: cae12d7af9263d2c8d4c1c81190eddc2ddd7282a283f4d535d792f6fb0823fed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31967f6ba5abbbdb9396d2edfe5c54699cfef7d7af77dd25480b75f854f400e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-09-15T20:03:43Z",
    "title_canon_sha256": "9279045481ceecd7ab9b635aa987a8b3197eab9c0bdc917be068cb7f405df1d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.3469",
    "kind": "arxiv",
    "version": 1
  }
}