Pith Number

pith:DK6MIXCT

pith:2018:DK6MIXCTATPYODVTJQBC2RYAXH

not attested not anchored not stored refs pending

The WISSH quasars project V. ALMA reveals the assembly of a giant galaxy around a z=4.4 hyper-luminous QSO

A. Bongiorno, A. Marconi, A. Travascio, C. Feruglio, C. Pappalardo, E. Piconcelli, F. Duras, F. Fiore, G. Vietri, L. Zappacosta, M. Bischetti, R. Schneider, R. Valiante, S. Carniani

arxiv:1804.06399 v2 · 2018-04-17 · 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{DK6MIXCTATPYODVTJQBC2RYAXH}

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	2026-05-18T00:14:28.266542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1abcc45c5304df870eb34c022d4700b9eb6ce42aa09af9c725ca4720ab8c29cb

Aliases

arxiv: 1804.06399 · arxiv_version: 1804.06399v2 · doi: 10.48550/arxiv.1804.06399 · pith_short_12: DK6MIXCTATPY · pith_short_16: DK6MIXCTATPYODVT · pith_short_8: DK6MIXCT

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/DK6MIXCTATPYODVTJQBC2RYAXH \
  | 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: 1abcc45c5304df870eb34c022d4700b9eb6ce42aa09af9c725ca4720ab8c29cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff6883708a0ab4897dc4af2a0b1037cd0d3f4292f9a042682b3ac69753663c87",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-04-17T17:56:02Z",
    "title_canon_sha256": "ab10c32199a0522d2fc5a438192bd5759f620b8239912771bd3d9063382beca9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.06399",
    "kind": "arxiv",
    "version": 2
  }
}