Pith Number

pith:IOBVZSHQ

pith:2018:IOBVZSHQFO4FYVVW5GSXEK4RDL

not attested not anchored not stored refs pending

The 1.5 Ms Observing Campaign on IRAS 13224-3809: X-ray Spectral Analysis I

A. C. Fabian, A. M. Lohfink, B. De Marco, C. Pinto, C.-Y. Chiang, D. J. K. Buisson, D. J. Walton, D. R. Wilkins, E. Kara, E. M. Cackett, F. A. Harrison, G. Miniutti, J. A. Garc\'ia, J. Jiang, J. M. Miller, L. C. Gallo, M. L. Parker, T. Dauser, W. N. Alston

arxiv:1804.00349 v1 · 2018-04-01 · astro-ph.HE · hep-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{IOBVZSHQFO4FYVVW5GSXEK4RDL}

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

Strong X-ray Variability of I Zwicky 1: Obscuration from Clumpy Accretion-Disk Winds

Receipt and verification

First computed	2026-05-18T00:18:48.733439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43835cc8f02bb85c56b6e9a5722b911af0bcaa1ed6ac218055df8f920899a1c2

Aliases

arxiv: 1804.00349 · arxiv_version: 1804.00349v1 · doi: 10.48550/arxiv.1804.00349 · pith_short_12: IOBVZSHQFO4F · pith_short_16: IOBVZSHQFO4FYVVW · pith_short_8: IOBVZSHQ

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/IOBVZSHQFO4FYVVW5GSXEK4RDL \
  | 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: 43835cc8f02bb85c56b6e9a5722b911af0bcaa1ed6ac218055df8f920899a1c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2934c49dae6dfc33960d6d04c97435f01d843c3d6704e90ae27c6982510eefb",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-04-01T22:08:41Z",
    "title_canon_sha256": "75fc7303d8093e89dd922fa18785cd7e2cbd53bb5b8e14119f2e49119502bcea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.00349",
    "kind": "arxiv",
    "version": 1
  }
}