Pith Number

pith:JXGQMB2L

pith:2017:JXGQMB2L2B7ZWWGAECYXUWLCYU

not attested not anchored not stored refs pending

Discovery of a Luminous Radio Transient 460 pc from the Central Supermassive Black Hole in Cygnus A

Christopher L. Carilli, Daniel A. Perley, Richard A. Perley, Vivek Dhawan

arxiv:1705.07901 v2 · 2017-05-22 · 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{JXGQMB2L2B7ZWWGAECYXUWLCYU}

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	2026-05-18T00:43:15.422113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4dcd06074bd07f9b58c020b17a5962c53d22f95846e96c9bc350713bfa106f57

Aliases

arxiv: 1705.07901 · arxiv_version: 1705.07901v2 · doi: 10.48550/arxiv.1705.07901 · pith_short_12: JXGQMB2L2B7Z · pith_short_16: JXGQMB2L2B7ZWWGA · pith_short_8: JXGQMB2L

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/JXGQMB2L2B7ZWWGAECYXUWLCYU \
  | 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: 4dcd06074bd07f9b58c020b17a5962c53d22f95846e96c9bc350713bfa106f57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58519c30578b1e4a69620d0c04e759b73a27053b8f3743cced2644ac42f4fa32",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-05-22T18:00:01Z",
    "title_canon_sha256": "021a74f082b1b0864b21a8fb01f47edff4df61270c017b8b5a8a5d39a8bf1f0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.07901",
    "kind": "arxiv",
    "version": 2
  }
}