Pith Number

pith:OYPMNCRB

pith:2018:OYPMNCRBDOJCPUKKFRGF55LQN7

not attested not anchored not stored refs pending

Is There a Hollow Inside the Proton?

A. P. Samokhin, V. A. Petrov

arxiv:1801.03809 v2 · 2018-01-11 · 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{OYPMNCRBDOJCPUKKFRGF55LQN7}

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	2026-05-18T00:13:17.410251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

761ec68a211b9227d14a2c4c5ef5706ff680804fbcb6ff8dde6ca7b8347ad6f1

Aliases

arxiv: 1801.03809 · arxiv_version: 1801.03809v2 · doi: 10.48550/arxiv.1801.03809 · pith_short_12: OYPMNCRBDOJC · pith_short_16: OYPMNCRBDOJCPUKK · pith_short_8: OYPMNCRB

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/OYPMNCRBDOJCPUKKFRGF55LQN7 \
  | 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: 761ec68a211b9227d14a2c4c5ef5706ff680804fbcb6ff8dde6ca7b8347ad6f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88bc283da85abd8ff4c51021b61c183b3e540f23cb4f04d3f648c7432eab55a5",
    "cross_cats_sorted": [
      "hep-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2018-01-11T15:20:14Z",
    "title_canon_sha256": "ed376c2f6ff871e6d4cbfb918ee109f887b03d258421bb74d3f18028129424e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.03809",
    "kind": "arxiv",
    "version": 2
  }
}