Pith Number

pith:OV7W2RTS

pith:2001:OV7W2RTSTBWU5II3BNMC42I574

not attested not anchored not stored refs pending

Multi-Epoch VLBA Observations of EGRET-Detected Quasars and BL Lac Objects: Superluminal Motion of Gamma-Ray Bright Blazars

2), (2) Astronomical Institute, 3), (3) Department of Chemistry, (4) Jet Propulsion Laboratory, (5) Hampden-Sydney College, Alan P. Marscher (1), Alexei V. Yurchenko (2) ((1) Institute for Astrophysical Research, Ann E. Wehrle (4), Astronomy, Boston University, Francis Marion University, Hampden-Sydney), John R. Mattox (1, Pasadena, Physics, Steven D. Bloom (5), St. Petersburg State University, Svetlana G. Jorstad (1

arxiv:astro-ph/0101570 v1 · 2001-01-31 · 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{OV7W2RTSTBWU5II3BNMC42I574}

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.

Cited by

1 paper in Pith

Millimeter-wave Monitoring of Active Galactic Nuclei with the Africa Millimetre Telescope

Receipt and verification

First computed	2026-07-04T15:20:07.707160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

757f6d4672986d4ea11b0b582e691dff12bf70c998570c0caef76f4e8652461e

Aliases

arxiv: astro-ph/0101570 · arxiv_version: astro-ph/0101570v1 · doi: 10.48550/arxiv.astro-ph/0101570 · pith_short_12: OV7W2RTSTBWU · pith_short_16: OV7W2RTSTBWU5II3 · pith_short_8: OV7W2RTS

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/OV7W2RTSTBWU5II3BNMC42I574 \
  | 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: 757f6d4672986d4ea11b0b582e691dff12bf70c998570c0caef76f4e8652461e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "620de0b3302cf85787d5a32308362362c7edad547b895d9cff44db56c641fd66",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-01-31T19:15:39Z",
    "title_canon_sha256": "f9e41dfc9ef2dd37cba06ad8cbc1ee185c9d20b8e0e95336da1e935efabcdf8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0101570",
    "kind": "arxiv",
    "version": 1
  }
}