Pith Number

pith:3MWK4JZI

pith:2017:3MWK4JZIVVHRMB4BRVYTEFMLM3

not attested not anchored not stored refs pending

Extragalactic Peaked-Spectrum Radio Sources at Low Frequencies

A. D. Kapinska, A. R. Offringa, B. McKinley, B. M. Gaensler, B.-Q. For, C. Wu, E. Lenc, E. M. Sadler, J. L. B. Line, J. Morgan, J. R. Callingham, K. S. Dwarakanath, L. Hindson, L. Staveley-Smith, M. E. Bell, M. Johnston-Hollitt, N. Hurley-Walker, P. J. Hancock, P. Procopio, Q. Zheng, R. B. Wayth, R. D. Ekers, S. J. Tingay, T. M. O. Franzen

arxiv:1701.02771 v1 · 2017-01-10 · astro-ph.GA · 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{3MWK4JZIVVHRMB4BRVYTEFMLM3}

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	2026-05-18T00:50:17.336086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db2cae2728ad4f1607818d7132158b66c5aab09586b7a4616ea59e056206e462

Aliases

arxiv: 1701.02771 · arxiv_version: 1701.02771v1 · doi: 10.48550/arxiv.1701.02771 · pith_short_12: 3MWK4JZIVVHR · pith_short_16: 3MWK4JZIVVHRMB4B · pith_short_8: 3MWK4JZI

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/3MWK4JZIVVHRMB4BRVYTEFMLM3 \
  | 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: db2cae2728ad4f1607818d7132158b66c5aab09586b7a4616ea59e056206e462

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fb39cf987d148e7d614610078d7b72eb7e494a02d292c975f6d86408c078cd7",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-01-10T19:58:29Z",
    "title_canon_sha256": "3c8306eb7889c6e3d0a46ae05569ab4f462a02913bf8e2ebbb85ee8202e2b6df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.02771",
    "kind": "arxiv",
    "version": 1
  }
}