Pith Number

pith:37OATBPJ

pith:2012:37OATBPJUY7SEFE7DU75XIF3FW

not attested not anchored not stored refs pending

Optical and radiographical characterization of silica aerogel for Cherenkov radiator

Hideyuki Kawai, Ichiro Adachi, Keiko Nishikawa, Makoto Tabata, Takeshi Morita, Yoshikiyo Hatakeyama

arxiv:1207.3948 v1 · 2012-07-17 · physics.ins-det · hep-ex · nucl-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{37OATBPJUY7SEFE7DU75XIF3FW}

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	2026-05-18T02:35:52.687232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfdc0985e9a63f22149f1d3fdba0bb2daadfe6f84b4294cb3fcfdc286bf9270f

Aliases

arxiv: 1207.3948 · arxiv_version: 1207.3948v1 · doi: 10.48550/arxiv.1207.3948 · pith_short_12: 37OATBPJUY7S · pith_short_16: 37OATBPJUY7SEFE7 · pith_short_8: 37OATBPJ

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/37OATBPJUY7SEFE7DU75XIF3FW \
  | 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: dfdc0985e9a63f22149f1d3fdba0bb2daadfe6f84b4294cb3fcfdc286bf9270f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35b631830713cb657a961d16cb35acb8bca3fe5a41077856bc81bc654e58a104",
    "cross_cats_sorted": [
      "hep-ex",
      "nucl-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2012-07-17T11:21:19Z",
    "title_canon_sha256": "34b9031f6a6d0b1c42dc0b67cf6ec3b5221a186c8155074beb4a1a418a757df3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.3948",
    "kind": "arxiv",
    "version": 1
  }
}