Pith Number

pith:SYKSMOWN

pith:2012:SYKSMOWN5QXR3WDHOS4XMTPF25

not attested not anchored not stored refs pending

X-shaped radio sources as parent population of core-dominated triple blazars

Andrzej Marecki

arxiv:1212.2072 v2 · 2012-12-10 · astro-ph.CO · 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{SYKSMOWN5QXR3WDHOS4XMTPF25}

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	2026-05-18T03:38:34.013339Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9615263acdec2f1dd86774b9764de5d74c6f76fff25fa49d87018a84e7d72f07

Aliases

arxiv: 1212.2072 · arxiv_version: 1212.2072v2 · doi: 10.48550/arxiv.1212.2072 · pith_short_12: SYKSMOWN5QXR · pith_short_16: SYKSMOWN5QXR3WDH · pith_short_8: SYKSMOWN

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/SYKSMOWN5QXR3WDHOS4XMTPF25 \
  | 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: 9615263acdec2f1dd86774b9764de5d74c6f76fff25fa49d87018a84e7d72f07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "522dcdf84de04e88546636e955bd04f7f08b2e5e66839bf93b854aab26a0b9af",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-12-10T14:12:00Z",
    "title_canon_sha256": "5eb1cf819e8938b83a0e5bc52f306d9e368a627e37af1dbabf2381ad74977d43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.2072",
    "kind": "arxiv",
    "version": 2
  }
}