Pith Number

pith:22WRP7B6

pith:2011:22WRP7B6KPF6AC5S5YYWXX7YUD

not attested not anchored not stored refs pending

Four tops on the real projective plane at LHC

Aldo Deandrea, Giacomo Cacciapaglia, Luca Panizzi, Roberto Chierici, Silvano Tosi, St\`ephane Perries

arxiv:1107.4616 v2 · 2011-07-22 · hep-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{22WRP7B6KPF6AC5S5YYWXX7YUD}

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	2026-05-18T02:01:11.138370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6ad17fc3e53cbe00bb2ee316bdff8a0c22a2d1d0a70c25aa2afdb1628cca406

Aliases

arxiv: 1107.4616 · arxiv_version: 1107.4616v2 · doi: 10.48550/arxiv.1107.4616 · pith_short_12: 22WRP7B6KPF6 · pith_short_16: 22WRP7B6KPF6AC5S · pith_short_8: 22WRP7B6

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/22WRP7B6KPF6AC5S5YYWXX7YUD \
  | 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: d6ad17fc3e53cbe00bb2ee316bdff8a0c22a2d1d0a70c25aa2afdb1628cca406

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f9d947bf6262ae1d175924a1f01c1856bb223e8ade064bb5ce041ba3d19c4bd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2011-07-22T20:17:35Z",
    "title_canon_sha256": "a6e8f126a98bfef9667c9108bfecdd6ef365393dcb1c31b83e6b421240f3fa00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4616",
    "kind": "arxiv",
    "version": 2
  }
}