Pith Number

pith:CL4H5CJI

pith:2018:CL4H5CJIVSS7W2J2AGOPAXWJND

not attested not anchored not stored refs pending

The Multiple Merger Assembly of a Hyper-luminous Obscured Quasar at redshift 4.6

A. W. Blain, C.-W. Tsai, D. Stern, F. Leclercq, G. Lansbury, H. D. Jun, H. Inami, J. Wu, K. Dibert, M. Aravena, P. Eisenhardt, R. J. Assef, T. Diaz-Santos

arxiv:1811.05992 v1 · 2018-11-14 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CL4H5CJIVSS7W2J2AGOPAXWJND}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:57:37.444497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12f87e8928aca5fb693a019cf05ec968da502ea7bd17a7b709d74e3b0be50824

Aliases

arxiv: 1811.05992 · arxiv_version: 1811.05992v1 · doi: 10.48550/arxiv.1811.05992 · pith_short_12: CL4H5CJIVSS7 · pith_short_16: CL4H5CJIVSS7W2J2 · pith_short_8: CL4H5CJI

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/CL4H5CJIVSS7W2J2AGOPAXWJND \
  | 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: 12f87e8928aca5fb693a019cf05ec968da502ea7bd17a7b709d74e3b0be50824

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3593d55efbcd3ec26074ad42e9fc3abf139d8010b7e161e14ce2afbd3ba3b8f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-11-14T19:00:51Z",
    "title_canon_sha256": "939d11fadb31704dea0cf8bf2ff096ac79521302c41245ea09db7d2d89c49eb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.05992",
    "kind": "arxiv",
    "version": 1
  }
}