Pith Number

pith:QJ5TQIJB

pith:2009:QJ5TQIJB4MED2Z5DOY6NRDQDNA

not attested not anchored not stored refs pending

Limits to the energy resolution of a single Air Cherenkov Telescope at low energies

Dorota Sobczynska

arxiv:0902.0185 v1 · 2009-02-02 · 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{QJ5TQIJB4MED2Z5DOY6NRDQDNA}

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	2026-05-18T02:35:01.471971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

827b382121e3083d67a3763cd88e036809a18b7ae8eb5872d5817d64ef555208

Aliases

arxiv: 0902.0185 · arxiv_version: 0902.0185v1 · doi: 10.48550/arxiv.0902.0185 · pith_short_12: QJ5TQIJB4MED · pith_short_16: QJ5TQIJB4MED2Z5D · pith_short_8: QJ5TQIJB

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/QJ5TQIJB4MED2Z5DOY6NRDQDNA \
  | 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: 827b382121e3083d67a3763cd88e036809a18b7ae8eb5872d5817d64ef555208

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8212a29239ba4a959663f5584af4c305b20ac55e39f6f7d48231b89d20a9cac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-02-02T16:18:56Z",
    "title_canon_sha256": "4eecb24f9bda5499c5cfa1a92065e9ffa14c0113801ed0d576bf4d0d5910d722"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.0185",
    "kind": "arxiv",
    "version": 1
  }
}