Pith Number

pith:HBJ56S3H

pith:2017:HBJ56S3HPMCHBSMRGEEUWNL5PZ

not attested not anchored not stored refs pending

An 800-million-solar-mass black hole in a significantly neutral Universe at redshift 7.5

B.P. Venemans, C. Mazzucchelli, D.D. Kelson, D. Stern, E. Ba\~nados, E.P. Farina, F.B. Davies, F. Walter, F. Wang, G.C. Rudie, H-W. Rix, J.F. Hennawi, J.M. Winters, J. Yang, M.L. Turner, R.A. Simcoe, R. Decarli, X. Fan

arxiv:1712.01860 v2 · 2017-12-05 · 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{HBJ56S3HPMCHBSMRGEEUWNL5PZ}

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.

Cited by

5 papers in Pith

Model-independent calibration of Gamma-Ray Bursts with neural networks

Machine Learning Techniques for Astrophysics and Cosmology: Lyman-$\alpha$ forest

Direct Collapse Black Hole Candidates from Decaying Dark Matter

A Unified Dark-Matter--Driven Relativistic Bondi Route to Black-Hole Growth from Stellar to Supermassive Scales

Planck 2018 results. VI. Cosmological parameters

Receipt and verification

First computed	2026-05-18T00:11:23.628286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3853df4b677b0470c99131094b357d7e536ca36945dc899e8a942c5960886e98

Aliases

arxiv: 1712.01860 · arxiv_version: 1712.01860v2 · doi: 10.48550/arxiv.1712.01860 · pith_short_12: HBJ56S3HPMCH · pith_short_16: HBJ56S3HPMCHBSMR · pith_short_8: HBJ56S3H

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/HBJ56S3HPMCHBSMRGEEUWNL5PZ \
  | 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: 3853df4b677b0470c99131094b357d7e536ca36945dc899e8a942c5960886e98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77b86f2e78f5159c78772d2233b33684bf07c6786e2007c5b6fbb2593d701461",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-12-05T19:00:21Z",
    "title_canon_sha256": "09a822be96ebf1beef822715ba598978ccacfd15face43e729e5805f9b2004ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.01860",
    "kind": "arxiv",
    "version": 2
  }
}