Pith Number

pith:A74AXZMR

pith:2005:A74AXZMRV73U5N67VQIET4S2JE

not attested not anchored not stored refs pending

Relativistic jet motion in the core of the radio-loud quasar J1101+7225

A. Eckart, J.A. Zensus, J.-U. Pott, M. Krips, S. Britzen, T.P. Krichbaum, W. Alef

arxiv:astro-ph/0504552 v1 · 2005-04-25 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A74AXZMRV73U5N67VQIET4S2JE}

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	2026-07-04T16:52:15.516540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07f80be591aff74eb7dfac1049f25a49392ed5307b1dfbb0d46dedf1c339d1b6

Aliases

arxiv: astro-ph/0504552 · arxiv_version: astro-ph/0504552v1 · doi: 10.48550/arxiv.astro-ph/0504552 · pith_short_12: A74AXZMRV73U · pith_short_16: A74AXZMRV73U5N67 · pith_short_8: A74AXZMR

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/A74AXZMRV73U5N67VQIET4S2JE \
  | 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: 07f80be591aff74eb7dfac1049f25a49392ed5307b1dfbb0d46dedf1c339d1b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "486e7ab5e4903da58043b6a817bb2b103ebaee1d8a35992eb72adf82d4150eaf",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-04-25T18:37:57Z",
    "title_canon_sha256": "c9a3f2711323fe2a76537eabb2a6d4cb9e47d485ec2599aaca99f765bf19e3de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0504552",
    "kind": "arxiv",
    "version": 1
  }
}