Pith Number

pith:M765DAXP

pith:2020:M765DAXP4XL7FEI5KFGI2CKCWE

not attested not anchored not stored refs pending

Observations by GMRT at 323 MHz of radio-loud quasars at $z>5$

Axel Weiss, Chris L. Carilli, Dominik A. Riechers, Huib T. Intema, Jeff Wagg, Karl M. Menten, Ran Wang, Yali Shao

arxiv:2006.13762 v2 · 2020-06-24 · 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{M765DAXP4XL7FEI5KFGI2CKCWE}

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	2026-07-05T01:35:35.216174Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67fdd182efe5d7f2911d514c8d0942b1251d2e4f09b6cbf9651b54db2df62a0f

Aliases

arxiv: 2006.13762 · arxiv_version: 2006.13762v2 · doi: 10.48550/arxiv.2006.13762 · pith_short_12: M765DAXP4XL7 · pith_short_16: M765DAXP4XL7FEI5 · pith_short_8: M765DAXP

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/M765DAXP4XL7FEI5KFGI2CKCWE \
  | 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: 67fdd182efe5d7f2911d514c8d0942b1251d2e4f09b6cbf9651b54db2df62a0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d710dac91d3ff3d4ac478a9bff4e37a418366a93d762f982a6506674a5683ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-06-24T14:14:53Z",
    "title_canon_sha256": "c8e07b52c49d488e679ac699bb3c1452d4de57ba7da78caa14bfdddafa82a26b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.13762",
    "kind": "arxiv",
    "version": 2
  }
}