Pith Number

pith:UEIT2CW2

pith:2009:UEIT2CW24V436Q3GUJMJJBMVTH

not attested not anchored not stored refs pending

Constraints on the absorption-dominated model for the X-ray spectrum of MCG-6-30-15

Andrew C. Fabian, Christopher S. Reynolds, Giovanni Miniutti, Laura W. Brenneman, Luigi C. Gallo, Phil Uttley

arxiv:0904.3099 v1 · 2009-04-20 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UEIT2CW24V436Q3GUJMJJBMVTH}

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	2026-05-18T02:13:58.763693Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1113d0adae579bf4366a25894859599dedfc999291ea1a6a4135a89d1a7621d

Aliases

arxiv: 0904.3099 · arxiv_version: 0904.3099v1 · doi: 10.48550/arxiv.0904.3099 · pith_short_12: UEIT2CW24V43 · pith_short_16: UEIT2CW24V436Q3G · pith_short_8: UEIT2CW2

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/UEIT2CW24V436Q3GUJMJJBMVTH \
  | 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: a1113d0adae579bf4366a25894859599dedfc999291ea1a6a4135a89d1a7621d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c49d57661eb2387196df2d8d58e8dfa148dde28eabb431bcba3c6df265e51a04",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-04-20T20:05:56Z",
    "title_canon_sha256": "b6238a94000750d74e3453fadd3a0e3e3246bc5d58c43021c54aedae4a53173c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.3099",
    "kind": "arxiv",
    "version": 1
  }
}