Pith Number

pith:C27QTYSW

pith:2005:C27QTYSW2NJ53LSAVN4IX3PJ2N

not attested not anchored not stored refs pending

A powerful bursting radio source towards the Galactic Centre

C. B. Markwardt, F. Yusef-Zadeh, N. E. Kassim, P. S. Ray, S. D. Hyman, T. J. W. Lazio

arxiv:astro-ph/0503052 v1 · 2005-03-02 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C27QTYSW2NJ53LSAVN4IX3PJ2N}

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	2026-07-04T16:50:55.641343Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16bf09e256d353ddae40ab788bede9d3440a0b7e4cb2b3aed12516e9df92fcdd

Aliases

arxiv: astro-ph/0503052 · arxiv_version: astro-ph/0503052v1 · doi: 10.48550/arxiv.astro-ph/0503052 · pith_short_12: C27QTYSW2NJ5 · pith_short_16: C27QTYSW2NJ53LSA · pith_short_8: C27QTYSW

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/C27QTYSW2NJ53LSAVN4IX3PJ2N \
  | 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: 16bf09e256d353ddae40ab788bede9d3440a0b7e4cb2b3aed12516e9df92fcdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c3cc3ecd8c9465d58f2f69f3bfbd12ddd5693076127766add88290e78dbf4ac",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-03-02T20:42:45Z",
    "title_canon_sha256": "69cc5da24be8e670f8092665d820647dd1dd06fcd6616fd2ebda640166f8c333"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0503052",
    "kind": "arxiv",
    "version": 1
  }
}