Pith Number

pith:B2RSBBFH

pith:2019:B2RSBBFHICUGTUSW42K2D66BUZ

not attested not anchored not stored refs pending

Evidence for a TDE origin of the radio transient Cygnus A-2

Aneta Siemiginowska, Antonia Rowlinson, Christopher S. Reynolds, Martijn N. de Vries, Michael W. Wise, Paul E. J. Nulsen

arxiv:1904.06125 v1 · 2019-04-12 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{B2RSBBFHICUGTUSW42K2D66BUZ}

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	2026-05-17T23:47:55.591741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ea32084a740a869d256e695a1fbc1a665d3a43e3fef4b1fe09882213bd94af1

Aliases

arxiv: 1904.06125 · arxiv_version: 1904.06125v1 · doi: 10.48550/arxiv.1904.06125 · pith_short_12: B2RSBBFHICUG · pith_short_16: B2RSBBFHICUGTUSW · pith_short_8: B2RSBBFH

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/B2RSBBFHICUGTUSW42K2D66BUZ \
  | 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: 0ea32084a740a869d256e695a1fbc1a665d3a43e3fef4b1fe09882213bd94af1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d44a057f2c5376a7129ad559d75939402c39b995d3f3c76e6f79453058656be",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-04-12T09:35:27Z",
    "title_canon_sha256": "35afb7395945dd449017d4a17374a74c022bfbd375c3b99181504f1cd2c4749a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.06125",
    "kind": "arxiv",
    "version": 1
  }
}