Pith Number

pith:XFAUDJK4

pith:2019:XFAUDJK42E4ABHFOR4B5XC7M2A

not attested not anchored not stored refs pending

The Origin of Radio Emission from Radio-Quiet AGN

Ari Laor, Ehud Behar, Francesca Panessa, Ian McHardy, Paolo Padovani, Ranieri D. Baldi

arxiv:1902.05917 v1 · 2019-02-15 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XFAUDJK42E4ABHFOR4B5XC7M2A}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:53:55.115111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b94141a55cd138009cae8f03db8becd0138b5b9068bbaa36bbd105deff0e44e1

Aliases

arxiv: 1902.05917 · arxiv_version: 1902.05917v1 · doi: 10.48550/arxiv.1902.05917 · pith_short_12: XFAUDJK42E4A · pith_short_16: XFAUDJK42E4ABHFO · pith_short_8: XFAUDJK4

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/XFAUDJK42E4ABHFOR4B5XC7M2A \
  | 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: b94141a55cd138009cae8f03db8becd0138b5b9068bbaa36bbd105deff0e44e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5028b9a2f0171caba57a38eb2e58c05e61a6033ae2771f8186a22f9af412e919",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-02-15T18:00:31Z",
    "title_canon_sha256": "17a764b47f5e65a930bb6b58a9c8bdffcbd1b3539f95727333b2c41e3a5375ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05917",
    "kind": "arxiv",
    "version": 1
  }
}