Pith Number

pith:C4HAIQMY

pith:2018:C4HAIQMYZHOTGR5BLFBVTWGIOC

not attested not anchored not stored refs pending

X-ray, UV, and Radio Timing Observations of the Radio Galaxy 3C 120

Alan P. Marscher, Anne L\"ahteenm\"aki, John M. Hunter, Karen E. Williamson, Katya A. Leidig, Merja Tornikoski, Muhammad Zain Mobeen, Rafael J. C. Vera, Svetlana G. Jorstad, Wara Chamani

arxiv:1809.09721 v1 · 2018-09-25 · 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{C4HAIQMYZHOTGR5BLFBVTWGIOC}

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	2026-05-18T00:00:49.700517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

170e044198c9dd3347a1594359d8c870849f198bda10900cbd535d64b2efadcc

Aliases

arxiv: 1809.09721 · arxiv_version: 1809.09721v1 · doi: 10.48550/arxiv.1809.09721 · pith_short_12: C4HAIQMYZHOT · pith_short_16: C4HAIQMYZHOTGR5B · pith_short_8: C4HAIQMY

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/C4HAIQMYZHOTGR5BLFBVTWGIOC \
  | 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: 170e044198c9dd3347a1594359d8c870849f198bda10900cbd535d64b2efadcc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e36e0d438952d31bd5d1709b19796664227fe9066fc02355b76225b834ac0670",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-09-25T21:04:52Z",
    "title_canon_sha256": "625a6f3ed3622ab302f32e3e0c66160f89ecc2e462f252709198dbf05653fbbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09721",
    "kind": "arxiv",
    "version": 1
  }
}