Pith Number

pith:MHM42YA2

pith:2012:MHM42YA2O55BR6MRUKAI552A7X

not attested not anchored not stored refs pending

Quasar emission lines, radio structures and radio unification

I.W.A. Browne (University of Manchester, Jodrell Bank Centre for Astrophysics), Neal Jackson, School of Physics & Astronomy

arxiv:1211.5778 v1 · 2012-11-25 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MHM42YA2O55BR6MRUKAI552A7X}

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	2026-05-18T01:52:55.369287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61d9cd601a777a18f991a2808ef740fdd4c464c8bbfca49fb2e5002c5d221869

Aliases

arxiv: 1211.5778 · arxiv_version: 1211.5778v1 · doi: 10.48550/arxiv.1211.5778 · pith_short_12: MHM42YA2O55B · pith_short_16: MHM42YA2O55BR6MR · pith_short_8: MHM42YA2

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/MHM42YA2O55BR6MRUKAI552A7X \
  | 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: 61d9cd601a777a18f991a2808ef740fdd4c464c8bbfca49fb2e5002c5d221869

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b034c77936d07ce4e44b5e8c5bf9558eeff6237a390f74c5227c1b9682c5cac3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-11-25T16:50:13Z",
    "title_canon_sha256": "0bf82a9cb7f7cbd7c5d73cf61c7a4e531a53a78a915a68a5c647f1e830e0b682"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.5778",
    "kind": "arxiv",
    "version": 1
  }
}