Pith Number

pith:USYW4NSM

pith:2011:USYW4NSMDUU562TAS454ZC3VYO

not attested not anchored not stored refs pending

Blazars as Ultra-High-Energy Cosmic-Ray Sources: Implications for TeV Gamma-Ray Observations

Charles D. Dermer, Giulia Migliori, Hajime Takami, Kohta Murase

arxiv:1107.5576 v2 · 2011-07-27 · 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{USYW4NSMDUU562TAS454ZC3VYO}

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

The Southern Wide-Field Gamma-Ray Observatory (SWGO): A Next-Generation Ground-Based Survey Instrument for VHE Gamma-Ray Astronomy

Ultraheavy Ultrahigh-Energy Cosmic Rays

Study of Flat Spectrum Radio Quasars and BL Lacertae Objects as Sources of Diffusive Ultra High-Energy Cosmic Rays

Receipt and verification

First computed	2026-05-18T03:59:25.395961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4b16e364c1d29df6a60973bcc8b75c3a00c955df81f5d97c9e4253d270c9b24

Aliases

arxiv: 1107.5576 · arxiv_version: 1107.5576v2 · doi: 10.48550/arxiv.1107.5576 · pith_short_12: USYW4NSMDUU5 · pith_short_16: USYW4NSMDUU562TA · pith_short_8: USYW4NSM

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/USYW4NSMDUU562TAS454ZC3VYO \
  | 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: a4b16e364c1d29df6a60973bcc8b75c3a00c955df81f5d97c9e4253d270c9b24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84eecfe9ac2f0ccff73ae81e107529e6e52e1cb5fdc0bc55794bfa8c242f0727",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-07-27T19:57:59Z",
    "title_canon_sha256": "e0d69772ea77b50ac43c4adb40e52fc0ff5fc94833ce71fc4e0986ceada75412"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.5576",
    "kind": "arxiv",
    "version": 2
  }
}