Pith Number

pith:IM5ZQHDG

pith:2004:IM5ZQHDG3NRKC3GQAE7XJO3BRF

not attested not anchored not stored refs pending

Understanding the relationship between the environment of the black hole and the radio jet: optical spectroscopy of compact AGN

E. Ros, J.A. Zensus, T.G. Arshakian, V.H. Chavushyan

arxiv:astro-ph/0403340 v1 · 2004-03-15 · 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{IM5ZQHDG3NRKC3GQAE7XJO3BRF}

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	2026-05-18T00:37:00.669055Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

433b981c66db62a16cd0013f74bb618974b02511bdbcd040e551cb782ac56a0c

Aliases

arxiv: astro-ph/0403340 · arxiv_version: astro-ph/0403340v1 · doi: 10.48550/arxiv.astro-ph/0403340 · pith_short_12: IM5ZQHDG3NRK · pith_short_16: IM5ZQHDG3NRKC3GQ · pith_short_8: IM5ZQHDG

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/IM5ZQHDG3NRKC3GQAE7XJO3BRF \
  | 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: 433b981c66db62a16cd0013f74bb618974b02511bdbcd040e551cb782ac56a0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "423cc8ce0c5fc720cd8adb17dd2b2cc22045e6fbee47e8d4cbdc8f407a018cdf",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-03-15T14:13:41Z",
    "title_canon_sha256": "ca49e6c7bd5ae33e7514b1bbaf28d6c9bb36bf240aab85f0cb0f662a84cef28b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0403340",
    "kind": "arxiv",
    "version": 1
  }
}