Pith Number

pith:EUFOBK6R

pith:2021:EUFOBK6RR5FL4XHI3M5QR23DUX

not attested not anchored not stored refs pending

Low frequency radio properties of the $z>5$ quasar population

A. Drabent, A. J. Gloudemans, A. Saxena, B. P. Venemans, D. J. B. Smith, D. J. Schwarz, G. Calistro Rivera, G. K. Miley, H. J. A. R\"ottgering, K. J. Duncan, M. Br\"uggen, M. J. Hardcastle, P. N. Best, T. W. Shimwell, W. L. Williams

arxiv:2110.06222 v1 · 2021-10-12 · 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{EUFOBK6RR5FL4XHI3M5QR23DUX}

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	2026-07-05T03:42:51.673798Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

250ae0abd18f4abe5ce8db3b08eb63a5e79f443281235413069d3f6f42dd2624

Aliases

arxiv: 2110.06222 · arxiv_version: 2110.06222v1 · doi: 10.48550/arxiv.2110.06222 · pith_short_12: EUFOBK6RR5FL · pith_short_16: EUFOBK6RR5FL4XHI · pith_short_8: EUFOBK6R

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/EUFOBK6RR5FL4XHI3M5QR23DUX \
  | 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: 250ae0abd18f4abe5ce8db3b08eb63a5e79f443281235413069d3f6f42dd2624

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55a9e77211880b7f8bc2d650b87e6a7f10979f96f2cbc9035e53de9cb43deeb1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-10-12T18:00:01Z",
    "title_canon_sha256": "d64962806bede66c9cdeef76a32da8bc226097e5959a8b3bb67d2021a45500bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.06222",
    "kind": "arxiv",
    "version": 1
  }
}