Pith Number

pith:XT2BZ4QR

pith:2013:XT2BZ4QRKDWW7JNDMFVX6IPDQ7

not attested not anchored not stored refs pending

Detection techniques for the H.E.S.S. II telescope, data modeling of gravitational lensing and emission of blazars in HE-VHE astronomy

Anna Barnacka

arxiv:1307.4050 v1 · 2013-07-15 · 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{XT2BZ4QRKDWW7JNDMFVX6IPDQ7}

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

Constraining $\gamma$-ray dissipation site in gravitationally lensed quasar -- PKS 1830$-$211

Receipt and verification

First computed	2026-05-18T03:18:27.133119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bcf41cf21150ed6fa5a3616b7f21e387c63a4aabc1d5c70057520831c4ceb281

Aliases

arxiv: 1307.4050 · arxiv_version: 1307.4050v1 · doi: 10.48550/arxiv.1307.4050 · pith_short_12: XT2BZ4QRKDWW · pith_short_16: XT2BZ4QRKDWW7JND · pith_short_8: XT2BZ4QR

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/XT2BZ4QRKDWW7JNDMFVX6IPDQ7 \
  | 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: bcf41cf21150ed6fa5a3616b7f21e387c63a4aabc1d5c70057520831c4ceb281

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8634a21af7c7e2f74eeb4157998b1a0a3e3e289e727d62979ae99ddd66fce87a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-07-15T18:48:03Z",
    "title_canon_sha256": "9075327bd7ffe125faf7ef72e38e0786a2b9dd101589390e565f111ce04169bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4050",
    "kind": "arxiv",
    "version": 1
  }
}