Pith Number

pith:F2C4TECM

pith:2012:F2C4TECMY5P5RYYTLMRKGJSTP2

not attested not anchored not stored refs pending

Calibration of Photomultiplier Tubes for the Fluorescence Detector of Telescope Array Experiment using a Rayleigh Scattered Laser Beam

Akimichi Taketa, Hiroyuki Sagawa, Hisao Tokuno, John N. Matthews, Lawrence R. Wiencke, Masaki Fukushima, Masato Takita, Naoya Inoue, Nobuyuki Sakurai, Shigeharu Udo, Shingo Kawana, Shoichi Ogio, Stan B. Thomas, Toshihiro Fujii, Yoshiki Tsunesada

arxiv:1202.1934 v2 · 2012-02-09 · astro-ph.IM · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F2C4TECMY5P5RYYTLMRKGJSTP2}

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	2026-05-18T01:58:31.885011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e85c9904cc75fd8e3135b22a326537e9c02b68e2d6ebe0dcbbeb297237817ea

Aliases

arxiv: 1202.1934 · arxiv_version: 1202.1934v2 · doi: 10.48550/arxiv.1202.1934 · pith_short_12: F2C4TECMY5P5 · pith_short_16: F2C4TECMY5P5RYYT · pith_short_8: F2C4TECM

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/F2C4TECMY5P5RYYTLMRKGJSTP2 \
  | 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: 2e85c9904cc75fd8e3135b22a326537e9c02b68e2d6ebe0dcbbeb297237817ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be73199e5f8b0328f585054ff35a23398f3081de06f5b1f9cc2d9025c431ad5a",
    "cross_cats_sorted": [
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-02-09T10:15:01Z",
    "title_canon_sha256": "ea0186e9b55286611fd050da35a87ec981ead19f599120fa3f0f65fd566a0a27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.1934",
    "kind": "arxiv",
    "version": 2
  }
}