Pith Number

pith:G2WKQSQG

pith:2016:G2WKQSQGNO2Y476GI5OZIC3M5C

not attested not anchored not stored refs pending

A Quasar Discovered at redshift 6.6 from Pan-STARRS1

Bram Venemans, Chiara Mazzucchelli, Eduardo Banados, Emanuele Farina, Eugene A. Magnier, Fabian Walter, Ji-Jia Tang, Kenneth C. Chambers, Nick Kaiser, Roberto Decarli, Tomotsugu Goto, Wen-Ping Chen, Xiaohui Fan, Youichi Ohyama

arxiv:1612.06148 v2 · 2016-12-19 · astro-ph.GA · 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{G2WKQSQGNO2Y476GI5OZIC3M5C}

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	2026-05-17T23:56:10.639482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36aca84a066bb58e7fc6475d940b6ce89a35157fece916af77774a567a06367b

Aliases

arxiv: 1612.06148 · arxiv_version: 1612.06148v2 · doi: 10.48550/arxiv.1612.06148 · pith_short_12: G2WKQSQGNO2Y · pith_short_16: G2WKQSQGNO2Y476G · pith_short_8: G2WKQSQG

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/G2WKQSQGNO2Y476GI5OZIC3M5C \
  | 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: 36aca84a066bb58e7fc6475d940b6ce89a35157fece916af77774a567a06367b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed24b2e0e8f75f0cc0f263b6f18dae5335e6c85da9c434012ada99d1a00fe074",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-12-19T12:12:10Z",
    "title_canon_sha256": "7eb3f01af64ec37abcd91fded607ea4c679bf20fa289ec86b7f66daa4de30b37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.06148",
    "kind": "arxiv",
    "version": 2
  }
}