Pith Number

pith:RPK7IQ4O

pith:2006:RPK7IQ4OEJBTL6ZFQXCMSP5F7W

not attested not anchored not stored refs pending

Effects of the turbulent ISM on radio observations of quasars

A. Kraus, A. Witzel, J. A. Zensus, K. \'E. Gab\'anyi, L. Fuhrmann, S. Britzen, T. P. Krichbaum, U. Bach

arxiv:astro-ph/0612421 v1 · 2006-12-15 · 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{RPK7IQ4OEJBTL6ZFQXCMSP5F7W}

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	2026-05-18T03:12:20.487592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bd5f4438e224335fb2585c4c93fa5fd9ec69868f72c9b335cffc30ca96cd035

Aliases

arxiv: astro-ph/0612421 · arxiv_version: astro-ph/0612421v1 · doi: 10.48550/arxiv.astro-ph/0612421 · pith_short_12: RPK7IQ4OEJBT · pith_short_16: RPK7IQ4OEJBTL6ZF · pith_short_8: RPK7IQ4O

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/RPK7IQ4OEJBTL6ZFQXCMSP5F7W \
  | 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: 8bd5f4438e224335fb2585c4c93fa5fd9ec69868f72c9b335cffc30ca96cd035

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9abe77af5758124f9f3efd385db38c1680b313a7907ed66597d7adb3eef683b8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-12-15T10:41:37Z",
    "title_canon_sha256": "ba9e9baa60e6033b8112f54609684a88480430a18482c680d6ed2cbd8bcae36f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0612421",
    "kind": "arxiv",
    "version": 1
  }
}