Pith Number

pith:GFH7ILNV

pith:2020:GFH7ILNVBYUXWOSPDB4PFROQNL

not attested not anchored not stored refs pending

High-resolution VLA Imaging of Obscured Quasars: Young Radio Jets Caught in a Dense ISM

A. C. Trapp, Amy E. Kimball, Andreas Efstathiou, Andrew Blain, Belinda J. Wilkes, Carol Lonsdale, Catherine Vlahakis, Colin Lonsdale, Dipanjan Mukherjee, Jeremy J. Harwood, Kristina Nyland, Lauranne Lanz, Mark Lacy, Mark Whittle, Pallavi Patil

arxiv:2004.07914 v1 · 2020-04-16 · 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{GFH7ILNVBYUXWOSPDB4PFROQNL}

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	2026-07-05T01:10:36.187830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

314ff42db50e297b3a4f1878f2c5d06ad55417ca5a749ad5d6ef478fd592addc

Aliases

arxiv: 2004.07914 · arxiv_version: 2004.07914v1 · doi: 10.48550/arxiv.2004.07914 · pith_short_12: GFH7ILNVBYUX · pith_short_16: GFH7ILNVBYUXWOSP · pith_short_8: GFH7ILNV

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/GFH7ILNVBYUXWOSPDB4PFROQNL \
  | 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: 314ff42db50e297b3a4f1878f2c5d06ad55417ca5a749ad5d6ef478fd592addc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e04d47da4eecc4a52c7f243414123ae1b8db44ec78e43502e4084100a8656829",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-04-16T20:06:36Z",
    "title_canon_sha256": "aa60769ae7d0f5edd611ba961bdf46abab1d308a7c845e01c703b12d9d806b72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.07914",
    "kind": "arxiv",
    "version": 1
  }
}