Pith Number

pith:PS7QVPGT

pith:2019:PS7QVPGT2XWW45QBU4RSHIJF2D

not attested not anchored not stored refs pending

Training Future Engineers to Be Ghostbusters: Hunting for the Spectral Environmental Radioactivity

Andrea Serafini, Carlo Bottardi, Enrico Chiarelli, Fabio Mantovani, Kassandra Giulia Cristina Raptis, Marica Baldoncini, Matteo Alb\'eri, Sheldon Landsberger, Virginia Strati

arxiv:1901.10796 v1 · 2019-01-18 · physics.ed-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PS7QVPGT2XWW45QBU4RSHIJF2D}

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	2026-05-17T23:55:06.005248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cbf0abcd3d5ed6e7601a72323a125d0faa9fc9251954e0e7e16b3536e91547f

Aliases

arxiv: 1901.10796 · arxiv_version: 1901.10796v1 · doi: 10.48550/arxiv.1901.10796 · pith_short_12: PS7QVPGT2XWW · pith_short_16: PS7QVPGT2XWW45QB · pith_short_8: PS7QVPGT

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/PS7QVPGT2XWW45QBU4RSHIJF2D \
  | 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: 7cbf0abcd3d5ed6e7601a72323a125d0faa9fc9251954e0e7e16b3536e91547f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42754160da12b6652cece14dac6566111c6e3ab75c07c2ecbf5b1ccc1daa68c5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2019-01-18T17:04:13Z",
    "title_canon_sha256": "e4a6e5a3cf856c6be1e2728f0c8a3069bb8c2144b7fdeee66b16ea1cf42b9bfe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.10796",
    "kind": "arxiv",
    "version": 1
  }
}