Pith Number

pith:LAWU6LGK

pith:2018:LAWU6LGKSGRFMKYOO6BUVMDANW

not attested not anchored not stored refs pending

High redshift extremely red quasars in X-rays

Andy D. Goulding, Daniel Stern, Dominika Wylezalek, Fred Hamann, George B. Lansbury, Gordon Richards, Isabelle Paris, Jenny E. Greene, Manda Banerji, Michael A. Strauss, Nadia L. Zakamska, Rachael M. Alexandroff, Roberto J. Assef, William N. Brandt

arxiv:1802.04272 v1 · 2018-02-12 · astro-ph.HE · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LAWU6LGKSGRFMKYOO6BUVMDANW}

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	2026-05-18T00:19:21.038427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

582d4f2cca91a2562b0e77834ab0606db1e9eb9c7129c585c2c0262b8c517f07

Aliases

arxiv: 1802.04272 · arxiv_version: 1802.04272v1 · doi: 10.48550/arxiv.1802.04272 · pith_short_12: LAWU6LGKSGRF · pith_short_16: LAWU6LGKSGRFMKYO · pith_short_8: LAWU6LGK

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/LAWU6LGKSGRFMKYOO6BUVMDANW \
  | 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: 582d4f2cca91a2562b0e77834ab0606db1e9eb9c7129c585c2c0262b8c517f07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5beeab9f0ccf3bcce17006af0005a3fd5d821d17c252f3ece0e8eeaf4e8dbc86",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-02-12T19:00:01Z",
    "title_canon_sha256": "6f0f697b80b580b748b96b01f3f8c5b75f0d3fd178892361d367f2ffc81860d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.04272",
    "kind": "arxiv",
    "version": 1
  }
}