Pith Number

pith:G7JD4VCN

pith:2018:G7JD4VCNOSZIJVS5GJNDABDAMQ

not attested not anchored not stored refs pending

New Clues to Jet Launching: The inner disks in radio loud quasars may be more stable

Fei-Fan Zhu (USTC), Feng Yuan (SHAO), Jun-Xian Wang (USTC), Wei-Min Gu (XMU), Yu-Han Sun (USTC), Zhen-Yi Cai (USTC)

arxiv:1811.06984 v1 · 2018-11-16 · astro-ph.HE · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G7JD4VCNOSZIJVS5GJNDABDAMQ}

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	2026-05-17T23:57:30.829307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37d23e544d74b284d65d325a3004606434390761a2a3ac12f1e74c9f017fe814

Aliases

arxiv: 1811.06984 · arxiv_version: 1811.06984v1 · doi: 10.48550/arxiv.1811.06984 · pith_short_12: G7JD4VCNOSZI · pith_short_16: G7JD4VCNOSZIJVS5 · pith_short_8: G7JD4VCN

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/G7JD4VCNOSZIJVS5GJNDABDAMQ \
  | 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: 37d23e544d74b284d65d325a3004606434390761a2a3ac12f1e74c9f017fe814

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16343ccb0496998ac3ee2eabd63f1194f29b416f44eacee66303ae2b92954397",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-11-16T19:00:00Z",
    "title_canon_sha256": "7d43026162ce0b970b382af3fa734ea1ca889a1c6360ef3770de2a395f3e18e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.06984",
    "kind": "arxiv",
    "version": 1
  }
}