Pith Number

pith:FJQ6NFYM

pith:1995:FJQ6NFYM5OJ4DW53FP4SAUJCVT

not attested not anchored not stored refs pending

Radio observations of the gamma-ray quasar 0528+134: Superluminal motion and an extreme scattering event

E. B. Waltman, F. D. Ghigo, H. P. Reuter, K. J. Johnston, K. Standke, M. Pohl, P. Reich, R. L. Fiedler, R. Schlickeiser, S. Britzen, T. P. Krichbaum, W. Reich

arxiv:astro-ph/9503082 v1 · 1995-03-22 · 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{FJQ6NFYM5OJ4DW53FP4SAUJCVT}

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	2026-07-04T14:48:52.403429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a61e6970ceb93c1dbbb2bf9205122ace66f397ce27697fef40d492472992e3e

Aliases

arxiv: astro-ph/9503082 · arxiv_version: astro-ph/9503082v1 · doi: 10.48550/arxiv.astro-ph/9503082 · pith_short_12: FJQ6NFYM5OJ4 · pith_short_16: FJQ6NFYM5OJ4DW53 · pith_short_8: FJQ6NFYM

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/FJQ6NFYM5OJ4DW53FP4SAUJCVT \
  | 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: 2a61e6970ceb93c1dbbb2bf9205122ace66f397ce27697fef40d492472992e3e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9901ae2ff63792accfef868a6c8797318fa52b0bb33ec2ae9a34827f7e05e94b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-03-22T09:56:37Z",
    "title_canon_sha256": "a97358eb2ade3851a25c0e030a65b299b486cd1261f2468f51a0bdde90793b02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9503082",
    "kind": "arxiv",
    "version": 1
  }
}