Pith Number

pith:GAI6WKPQ

pith:2020:GAI6WKPQJ2DPUV3UCMKC3YAIVM

not attested not anchored not stored refs pending

Detecting and Characterizing Young Quasars I: Systemic Redshifts and Proximity Zones Measurements

Anna-Christina Eilers, Bram Venemans, Chiara Mazzucchelli, Eduardo Ba\~nados, Emanuele P. Farina, Fabian Walter, Feige Wang, Frederick B. Davies, Jan-Torge Schindler, Jinyi Yang, Joseph F. Hennawi, Mladen Novak, Robert A. Simcoe, Roberto Decarli, Xiaohui Fan

arxiv:2002.01811 v3 · 2020-02-05 · 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{GAI6WKPQJ2DPUV3UCMKC3YAIVM}

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	2026-07-05T01:33:35.468357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3011eb29f04e86fa577413142de008ab0198d921df6003b1a4d74c533906beba

Aliases

arxiv: 2002.01811 · arxiv_version: 2002.01811v3 · doi: 10.48550/arxiv.2002.01811 · pith_short_12: GAI6WKPQJ2DP · pith_short_16: GAI6WKPQJ2DPUV3U · pith_short_8: GAI6WKPQ

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/GAI6WKPQJ2DPUV3UCMKC3YAIVM \
  | 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: 3011eb29f04e86fa577413142de008ab0198d921df6003b1a4d74c533906beba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84b1389807ba78c0dc1b2e46e001bb22c27ba284ca25455d166b99419fb8f0af",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-02-05T14:39:02Z",
    "title_canon_sha256": "5218ff73509850f726ab5996dfb1f38dc99f494eca2fe560600e858b626e7398"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.01811",
    "kind": "arxiv",
    "version": 3
  }
}