Pith Number

pith:Q3J3KPGJ

pith:2012:Q3J3KPGJ3D7K6TW6XWL57EPXL4

not attested not anchored not stored refs pending

Imaging on PAPER: Centaurus A at 148 MHz

Aaron R. Parsons, Chris L. Carilli, Daniel C. Jacobs, Dave DeBoer, Dave MacMahon, David A. Green, David F. Moore, D. E. Harris, Irina I. Stefan, James E. Aguirre, Jason Manley, Jonathan C. Pober, Matthew Dexter, Nicole E. Gugliucci, Pat Klima, Richard F. Bradley, William P. Walbrugh, Zaki Ali

arxiv:1212.1624 v2 · 2012-12-07 · 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{Q3J3KPGJ3D7K6TW6XWL57EPXL4}

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	2026-05-18T01:52:46.472911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86d3b53cc9d8feaf4edebd97df91f75f3762b281289103f7b08a625433888b71

Aliases

arxiv: 1212.1624 · arxiv_version: 1212.1624v2 · doi: 10.48550/arxiv.1212.1624 · pith_short_12: Q3J3KPGJ3D7K · pith_short_16: Q3J3KPGJ3D7K6TW6 · pith_short_8: Q3J3KPGJ

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/Q3J3KPGJ3D7K6TW6XWL57EPXL4 \
  | 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: 86d3b53cc9d8feaf4edebd97df91f75f3762b281289103f7b08a625433888b71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4939d7fba03357e4e818eb059d1f06254b1d17302b5f814174a02a786880742",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-12-07T14:55:31Z",
    "title_canon_sha256": "6e6b28423949008f376a6a8e2752be6708513d0cf85480558046efd15bba4972"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.1624",
    "kind": "arxiv",
    "version": 2
  }
}