Pith Number

pith:IFRJMD7Z

pith:2018:IFRJMD7ZJD7STZ26JI6YCCIODB

not attested not anchored not stored refs pending

The infrared-luminous progenitors of high-z quasars

Edwige Pezzulli, Luca Graziani, Michele Ginolfi, Raffaella Schneider, Roberto Maiolino, Rosa Valiante, Seiji Fujimoto

arxiv:1811.10644 v1 · 2018-11-26 · 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{IFRJMD7ZJD7STZ26JI6YCCIODB}

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	2026-05-17T23:58:01.526773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4162960ff948ff29e75e4a3d81090e1871fe4b5c541e362e737a588f6016faff

Aliases

arxiv: 1811.10644 · arxiv_version: 1811.10644v1 · doi: 10.48550/arxiv.1811.10644 · pith_short_12: IFRJMD7ZJD7S · pith_short_16: IFRJMD7ZJD7STZ26 · pith_short_8: IFRJMD7Z

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/IFRJMD7ZJD7STZ26JI6YCCIODB \
  | 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: 4162960ff948ff29e75e4a3d81090e1871fe4b5c541e362e737a588f6016faff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd2a475dca65b6e95f2af40799e3b38d87bae243080c6ddddb875b736da0f893",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-11-26T19:03:01Z",
    "title_canon_sha256": "5fafe32722ba95f5812a113344b122835a58de46b9debd9f10788680f7321e6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.10644",
    "kind": "arxiv",
    "version": 1
  }
}