Pith Number

pith:7BOHLJM3

pith:2015:7BOHLJM377G55BHP4SZ42AE4YJ

not attested not anchored not stored refs pending

3C 57 as an Atypical Radio-Loud Quasar: Implications for the Radio-Loud/Radio-Quiet Dichotomy

A. Del Olmo, G.M. Stirpe, I. Plauchu-Frayn, J.W. Sulentic, M. A. Mart\'inez-Carballo, P. Marziani, S. Zamfir

arxiv:1503.08295 v1 · 2015-03-28 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7BOHLJM377G55BHP4SZ42AE4YJ}

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	2026-05-18T01:40:49.668468Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f85c75a59bffcdde84efe4b3cd009cc27271980f1342cc257407fb8aa7e14e2f

Aliases

arxiv: 1503.08295 · arxiv_version: 1503.08295v1 · doi: 10.48550/arxiv.1503.08295 · pith_short_12: 7BOHLJM377G5 · pith_short_16: 7BOHLJM377G55BHP · pith_short_8: 7BOHLJM3

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/7BOHLJM377G55BHP4SZ42AE4YJ \
  | 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: f85c75a59bffcdde84efe4b3cd009cc27271980f1342cc257407fb8aa7e14e2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "867d605f024cf053462b35d133ae6520131dde08356d9c4c8b793aa7bf2cf21a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-03-28T11:22:15Z",
    "title_canon_sha256": "7b2819051864440edab0f118d0dfaebde4ad4e54ac1a79e9c6b808c43e719f74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.08295",
    "kind": "arxiv",
    "version": 1
  }
}