Pith Number

pith:54M7IGG5

pith:2004:54M7IGG5PETQKZTK5FRJND7272

not attested not anchored not stored refs pending

Log-parabolic spectra and particle acceleration in blazars - II: The BeppoSAX wide band X-ray spectra of Mkn 501

E. Massaro, F. Verrecchia, M. Perri, P. Giommi, R. Nesci

arxiv:astro-ph/0405152 v1 · 2004-05-07 · 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{54M7IGG5PETQKZTK5FRJND7272}

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

3 papers in Pith

X-ray Spectral Properties of Four Classical TeV Blazars using Simultaneous Observations from NICER and NuSTAR

Constraining leptonic and hadronic gamma-ray emission from HESS J1825-137 and its environment

Spectral-Regime Overlap and Transition-like Behavior in the Blazar Population from Multi-Instrument X-ray and TeV Observations

Receipt and verification

First computed	2026-07-04T16:43:43.491327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef19f418dd792705666ae962968ffafea6df87cae138d9a5f67caa8c0210105f

Aliases

arxiv: astro-ph/0405152 · arxiv_version: astro-ph/0405152v1 · doi: 10.48550/arxiv.astro-ph/0405152 · pith_short_12: 54M7IGG5PETQ · pith_short_16: 54M7IGG5PETQKZTK · pith_short_8: 54M7IGG5

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/54M7IGG5PETQKZTK5FRJND7272 \
  | 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: ef19f418dd792705666ae962968ffafea6df87cae138d9a5f67caa8c0210105f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c44b2b271d7ee0d6a50e7ba5f9fa0dd2735bb9e75f4e10f5621e29ced7601ece",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-05-07T16:39:46Z",
    "title_canon_sha256": "60b2bfd31a0e5e8db3230a23e18f419fc5b2c668352874af59ee7467ec2b8bd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0405152",
    "kind": "arxiv",
    "version": 1
  }
}