Pith Number

pith:TWLAZ2YT

pith:2023:TWLAZ2YTNKCAT32F6NELKWSYYU

not attested not anchored not stored refs pending

No strong radio absorption detected in the low-frequency spectra of radio-loud quasars at z > 5.6

A. J. Gloudemans, A. Saxena, C. Spingola, H. Intema, H. J. A. Rottgering, J. R. Callingham, K. J. Duncan, M. J. Hardcastle, S. Belladitta, Y. Harikane

arxiv:2309.03936 v2 · 2023-09-07 · 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{TWLAZ2YTNKCAT32F6NELKWSYYU}

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	2026-07-05T07:01:46.658252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d960ceb136a8409ef45f348b55a58c503a286d7fe1e24b67fae7d6404f5a69a

Aliases

arxiv: 2309.03936 · arxiv_version: 2309.03936v2 · doi: 10.48550/arxiv.2309.03936 · pith_short_12: TWLAZ2YTNKCA · pith_short_16: TWLAZ2YTNKCAT32F · pith_short_8: TWLAZ2YT

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/TWLAZ2YTNKCAT32F6NELKWSYYU \
  | 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: 9d960ceb136a8409ef45f348b55a58c503a286d7fe1e24b67fae7d6404f5a69a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "449541dfccaac7165c77dea03ce70c3048e85d4a478e7f44aedfb0481f3eeb04",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-09-07T18:00:00Z",
    "title_canon_sha256": "8f7def0fd138d1597f095378723322e4d0b3d789550f41a4e64c8dc8e54a932b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.03936",
    "kind": "arxiv",
    "version": 2
  }
}