Pith Number

pith:KPHTYZK5

pith:2021:KPHTYZK5CTQF2QIMDLCUDMZNN6

not attested not anchored not stored refs pending

Improving radioactive contaminant identification through the analysis of delayed coincidences with an $\alpha$-spectrometer

A. Barresi, D. Chiesa, E. Previtali, G. Baccolo, G. Terragni, L. Pagnanini, M. Beretta, M. Nastasi, M. Sisti, S. Pozzi

arxiv:2105.03140 v3 · 2021-05-07 · physics.ins-det · 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{KPHTYZK5CTQF2QIMDLCUDMZNN6}

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	2026-07-05T03:30:11.400512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53cf3c655d14e05d410c1ac541b32d6fbdc92f25ced5f8a1ed7e54a7d22cdc3f

Aliases

arxiv: 2105.03140 · arxiv_version: 2105.03140v3 · doi: 10.48550/arxiv.2105.03140 · pith_short_12: KPHTYZK5CTQF · pith_short_16: KPHTYZK5CTQF2QIM · pith_short_8: KPHTYZK5

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/KPHTYZK5CTQF2QIMDLCUDMZNN6 \
  | 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: 53cf3c655d14e05d410c1ac541b32d6fbdc92f25ced5f8a1ed7e54a7d22cdc3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f4032821eec708b3e0d9245895dfbeb2bf54e631e0445e68f6fcf3aeee144d0",
    "cross_cats_sorted": [
      "nucl-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2021-05-07T09:40:22Z",
    "title_canon_sha256": "eff9138f94a5e75b810d3e3acf78f213930eb68c598c3d2d9a91a7067f5f94d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.03140",
    "kind": "arxiv",
    "version": 3
  }
}