Pith Number

pith:M2FHL62J

pith:2009:M2FHL62JEEH4QKZJC6GWUZPPKQ

not attested not anchored not stored refs pending

Suzaku Observation of a Hard Excess in 1H 0419-577: Detection of a Compton-Thick Partial-Covering Absorber

J.N.Reeves, K.A.Pounds, L.Miller, S.B.Kraemer, T.J.Turner

arxiv:0903.4347 v1 · 2009-03-25 · 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{M2FHL62JEEH4QKZJC6GWUZPPKQ}

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	2026-05-18T04:29:15.626757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

668a75fb49210fc82b29178d6a65ef541f2acb788d7ac813e493418790422614

Aliases

arxiv: 0903.4347 · arxiv_version: 0903.4347v1 · doi: 10.48550/arxiv.0903.4347 · pith_short_12: M2FHL62JEEH4 · pith_short_16: M2FHL62JEEH4QKZJ · pith_short_8: M2FHL62J

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/M2FHL62JEEH4QKZJC6GWUZPPKQ \
  | 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: 668a75fb49210fc82b29178d6a65ef541f2acb788d7ac813e493418790422614

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc527d51f44bd6cf4d0a7b521e6cbe566d8e5853d6a5720770119f4038590958",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-03-25T14:35:52Z",
    "title_canon_sha256": "1f74bfceb4c669b1578b4996976e4b9f49d8fed496d4dd3e11c1dd85026dd289"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.4347",
    "kind": "arxiv",
    "version": 1
  }
}