Pith Number

pith:QIEJOHEZ

pith:2009:QIEJOHEZ7UGRSA3LMLMAP5WNTX

not attested not anchored not stored refs pending

Radio Variability in Seyfert Nuclei

A.S. Wilson (University of Maryland), C.G. Mundell (ARI, Liverpool John Moores University), N. Nagar (Universidad de Concepcion), P. Ferruit (Observatoire de Lyon)

arxiv:0907.1489 v1 · 2009-07-09 · astro-ph.CO · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QIEJOHEZ7UGRSA3LMLMAP5WNTX}

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

The emergence of X-ray emission lines during relativistic radio-jet formation in the changing-look active galactic nucleus 1ES 1927+654

Receipt and verification

First computed	2026-07-04T15:51:54.489366Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8208971c99fd0d19036b62d807f6cd9de2abf3401898662426270b67c62f7db8

Aliases

arxiv: 0907.1489 · arxiv_version: 0907.1489v1 · doi: 10.48550/arxiv.0907.1489 · pith_short_12: QIEJOHEZ7UGR · pith_short_16: QIEJOHEZ7UGRSA3L · pith_short_8: QIEJOHEZ

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/QIEJOHEZ7UGRSA3LMLMAP5WNTX \
  | 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: 8208971c99fd0d19036b62d807f6cd9de2abf3401898662426270b67c62f7db8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc2f4f899e0672836687facab97e641f487d637804f274a256faf700896cffff",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-07-09T10:19:52Z",
    "title_canon_sha256": "fc0bf6286b8086eb0b85dd724777a1a21b224796183605a629fd03389994d145"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.1489",
    "kind": "arxiv",
    "version": 1
  }
}