Pith Number

pith:3TTFJZYM

pith:2019:3TTFJZYM5G2MD3IEHMLX36CJ2G

not attested not anchored not stored refs pending

Extending the observation limits of Imaging Air Cherenkov Telescopes toward horizon

Darko Zaric, Ievgen Vovk, Juergen Besenrieder, Juliane van Scherpenberg, Masahiro Teshima (on behalf of the MAGIC Very Large Zenith Angle Observation Working Group), Michele Peresano, Nikola Godinovic, Petar Temnikov, Razmik Mirzoyan

arxiv:1903.04989 v1 · 2019-03-12 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3TTFJZYM5G2MD3IEHMLX36CJ2G}

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	2026-05-17T23:51:26.570349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dce654e70ce9b4c1ed043b177df849d1b51861c0616a4ff37b0d65418723f52a

Aliases

arxiv: 1903.04989 · arxiv_version: 1903.04989v1 · doi: 10.48550/arxiv.1903.04989 · pith_short_12: 3TTFJZYM5G2M · pith_short_16: 3TTFJZYM5G2MD3IE · pith_short_8: 3TTFJZYM

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/3TTFJZYM5G2MD3IEHMLX36CJ2G \
  | 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: dce654e70ce9b4c1ed043b177df849d1b51861c0616a4ff37b0d65418723f52a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7c87481f683cfb03d8ec29ae54c2e7d6eaee32f57c7e98a59c1e6979628c660",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-03-12T15:21:02Z",
    "title_canon_sha256": "23a7d4359380811c3c1f2adae27bba6f6fb2addc7c4c30fd69c8bfd37e65c2d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.04989",
    "kind": "arxiv",
    "version": 1
  }
}