Pith Number

pith:T3WLDW7I

pith:2011:T3WLDW7IBWZSPHKAIGWQYLZPSZ

not attested not anchored not stored refs pending

The First High Redshift Quasar from Pan-STARRS

Bill Sweeney, Christopher Waters, Eric Morganson, Eugene Magnier, Fabian Walter, Gisella De Rosa, Hans-Walter Rix, Heather Flewelling, Ian McGreer, Ken Chambers, Klaus Hodapp, Nick Kaiser, Paul Price, Roberto Decarli, William Burgett, Xiaohui Fan

arxiv:1109.6241 v1 · 2011-09-28 · 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{T3WLDW7IBWZSPHKAIGWQYLZPSZ}

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	2026-05-18T02:00:22.055695Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9eecb1dbe80db3279d4041ad0c2f2f96470ec4c898513b1051642f98f38b04b0

Aliases

arxiv: 1109.6241 · arxiv_version: 1109.6241v1 · doi: 10.48550/arxiv.1109.6241 · pith_short_12: T3WLDW7IBWZS · pith_short_16: T3WLDW7IBWZSPHKA · pith_short_8: T3WLDW7I

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/T3WLDW7IBWZSPHKAIGWQYLZPSZ \
  | 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: 9eecb1dbe80db3279d4041ad0c2f2f96470ec4c898513b1051642f98f38b04b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b42331a68f61b9dcba15f1936699ded68e82910e6f67503c420cadf6c70bb27e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-09-28T15:30:18Z",
    "title_canon_sha256": "bcea81ae9a5b21f91aba94cda60648bc84e59be687e734fa45e42342848cf774"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.6241",
    "kind": "arxiv",
    "version": 1
  }
}