Pith Number

pith:I5ODS6HX

pith:2016:I5ODS6HXWUCEV3KRWUH5B5ZSVG

not attested not anchored not stored refs pending

Compact steep-spectrum sources as the parent population of flat-spectrum radio-loud NLS1s

Alessandro Caccianiga, Bradley M. Peterson, Enrico Congiu, Giacomo Terreran, Giovanni La Mura, Luigi Foschini, Marco Berton, Michele Frezzato, Piero Rafanelli, Smita Mathur, Stefano Ciroi, Valentina Cracco

arxiv:1601.06165 v3 · 2016-01-22 · 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{I5ODS6HXWUCEV3KRWUH5B5ZSVG}

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	2026-05-18T01:12:05.054401Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

475c3978f7b5044aed51b50fd0f732a9a19cc70244d256d7feffaab3a60a45f5

Aliases

arxiv: 1601.06165 · arxiv_version: 1601.06165v3 · doi: 10.48550/arxiv.1601.06165 · pith_short_12: I5ODS6HXWUCE · pith_short_16: I5ODS6HXWUCEV3KR · pith_short_8: I5ODS6HX

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/I5ODS6HXWUCEV3KRWUH5B5ZSVG \
  | 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: 475c3978f7b5044aed51b50fd0f732a9a19cc70244d256d7feffaab3a60a45f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d184149e43b6c271278534065a9fe4dacb802f83d32b5df0c6d7e4776658d2b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-01-22T21:00:02Z",
    "title_canon_sha256": "943c561a1abc8e722439d8535f834ef6de899bf0c85927d4a8c54d95dc469900"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.06165",
    "kind": "arxiv",
    "version": 3
  }
}