Pith Number

pith:AKPRGRWN

pith:2009:AKPRGRWNGTH6V37SZ4NKPV5MTR

not attested not anchored not stored refs pending

Gamma-Hadron Separation in Very-High-Energy gamma-ray astronomy using a multivariate analysis method

Christopher van Eldik (1), Germany), Heidelberg, Kathrin Egberts (1) ((1) Max-Planck-Institut f\"ur Kernphysik, Stefan Ohm (1)

arxiv:0904.1136 v1 · 2009-04-07 · astro-ph.IM · 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{AKPRGRWNGTH6V37SZ4NKPV5MTR}

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

Machine Learning for Event Reconstruction in Imaging Atmospheric Cherenkov Telescopes

Prospects for the Use of Photosensor Timing Information with Machine Learning Techniques in Background Rejection

Enhancing event reconstruction for $\gamma$-ray particle detector arrays using transformers

Receipt and verification

First computed	2026-07-04T15:42:54.883477Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

029f1346cd34cfeaeff2cf1aa7d7ac9c799c755bec531ef7fc0c8c584f0a1ab9

Aliases

arxiv: 0904.1136 · arxiv_version: 0904.1136v1 · doi: 10.48550/arxiv.0904.1136 · pith_short_12: AKPRGRWNGTH6 · pith_short_16: AKPRGRWNGTH6V37S · pith_short_8: AKPRGRWN

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/AKPRGRWNGTH6V37SZ4NKPV5MTR \
  | 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: 029f1346cd34cfeaeff2cf1aa7d7ac9c799c755bec531ef7fc0c8c584f0a1ab9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcad293d3bac1aae69955fb58b51b75376673fd9cef7d6d53e54e3e2b14511bb",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-04-07T12:55:45Z",
    "title_canon_sha256": "ef2e2b463b14b45cc360fd7fbe3aadce0c16e83d1a2b5f9f2de656bd15f5955d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.1136",
    "kind": "arxiv",
    "version": 1
  }
}