Pith Number

pith:QHL5XPG4

pith:2015:QHL5XPG4F7NKMTOA57TMUGYIWA

not attested not anchored not stored refs pending

Spot the stop with a b-tag

Christoffer Petersson, Gabriele Ferretti, Riccardo Torre, Roberto Franceschini

arxiv:1502.01721 v2 · 2015-02-05 · hep-ph · hep-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{QHL5XPG4F7NKMTOA57TMUGYIWA}

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	2026-05-18T01:59:53.340848Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81d7dbbcdc2fdaa64dc0efe6ca1b08b036dfd7f18e8af186c491592ead24dcfa

Aliases

arxiv: 1502.01721 · arxiv_version: 1502.01721v2 · doi: 10.48550/arxiv.1502.01721 · pith_short_12: QHL5XPG4F7NK · pith_short_16: QHL5XPG4F7NKMTOA · pith_short_8: QHL5XPG4

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/QHL5XPG4F7NKMTOA57TMUGYIWA \
  | 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: 81d7dbbcdc2fdaa64dc0efe6ca1b08b036dfd7f18e8af186c491592ead24dcfa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fae70bac2b76fb4dc3ab01c503ff36a4bb043e90614939e6bfad2374c825a8d",
    "cross_cats_sorted": [
      "hep-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2015-02-05T21:00:10Z",
    "title_canon_sha256": "ff9520bf14b2391a950afbce2983e87a5a340c76df9466c96f46019a26cf562e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.01721",
    "kind": "arxiv",
    "version": 2
  }
}