Pith Number

pith:QDK7ZJ5O

pith:2009:QDK7ZJ5OJFPCNMNEZPZJYSC4OW

not attested not anchored not stored refs pending

Exploration of a 100 TeV gamma-ray northern sky using the Tibet air-shower array combined with an underground water-Cherenkov muon-detector array

A. Shiomi, H. Tsuchiya, K. Kawata, M. Ohnishi, M. Takita, T.K. Sako

arxiv:0907.4589 v1 · 2009-07-27 · 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{QDK7ZJ5OJFPCNMNEZPZJYSC4OW}

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	2026-05-18T02:12:47.588942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80d5fca7ae495e26b1a4cbf29c485c7585b20ac81a5922d8043c48433e2f9da6

Aliases

arxiv: 0907.4589 · arxiv_version: 0907.4589v1 · doi: 10.48550/arxiv.0907.4589 · pith_short_12: QDK7ZJ5OJFPC · pith_short_16: QDK7ZJ5OJFPCNMNE · pith_short_8: QDK7ZJ5O

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/QDK7ZJ5OJFPCNMNEZPZJYSC4OW \
  | 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: 80d5fca7ae495e26b1a4cbf29c485c7585b20ac81a5922d8043c48433e2f9da6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11363641eb07b705b0411d9677db37e4216344ff804441828516b6302de8ad38",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-07-27T10:14:06Z",
    "title_canon_sha256": "d58b0c958d628713624afb2fd7526c616f7b49d49004246c94afbec1f45cb32a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.4589",
    "kind": "arxiv",
    "version": 1
  }
}