Pith Number

pith:Q2Z43HHL

pith:2006:Q2Z43HHL3PZO6NPTJ25LHC374U

not attested not anchored not stored refs pending

High frequency VLBI observations of the scatter broadened quasar B2005+403

(2) INAF Italy), A. Witzel (1), E. Ros (1), J. A. Zensus (1) ((1) MPIfR Bonn Germany, K. E. Gabanyi (1), S. Britzen (1), T. P. Krichbaum (1), U. Bach (2)

arxiv:astro-ph/0601362 v1 · 2006-01-17 · 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{Q2Z43HHL3PZO6NPTJ25LHC374U}

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	2026-05-18T03:12:20.499173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86b3cd9cebdbf2ef35f34ebab38b7fe50a65f4af932ba3b54623e2d557c605d2

Aliases

arxiv: astro-ph/0601362 · arxiv_version: astro-ph/0601362v1 · doi: 10.48550/arxiv.astro-ph/0601362 · pith_short_12: Q2Z43HHL3PZO · pith_short_16: Q2Z43HHL3PZO6NPT · pith_short_8: Q2Z43HHL

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/Q2Z43HHL3PZO6NPTJ25LHC374U \
  | 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: 86b3cd9cebdbf2ef35f34ebab38b7fe50a65f4af932ba3b54623e2d557c605d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d574c79f393354a404ae0084b9a5e2e6b21f0621f55afda6fd4997fce74dce0e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-01-17T16:11:52Z",
    "title_canon_sha256": "046acc49a8e368ff4153d50b9e52b11b9c5774c68d131d0f4510708c65c4f3c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0601362",
    "kind": "arxiv",
    "version": 1
  }
}