Pith Number

pith:O5SFHFST

pith:2018:O5SFHFSTRNNS5NA3WTHDEB4ZSE

not attested not anchored not stored refs pending

The ratio $R={\rm d}\sigma_L/{\rm d}\sigma_T$ in heavy-quark pair leptoproduction as a probe of linearly polarized gluons in unpolarized proton

A.V. Efremov, N.Ya. Ivanov, O.V. Teryaev

arxiv:1801.03398 v2 · 2018-01-08 · 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{O5SFHFSTRNNS5NA3WTHDEB4ZSE}

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	2026-05-18T00:20:35.675087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77645396538b5b2eb41bb4ce320799910ab099c61632a380d85e7f6d8b48ac1c

Aliases

arxiv: 1801.03398 · arxiv_version: 1801.03398v2 · doi: 10.48550/arxiv.1801.03398 · pith_short_12: O5SFHFSTRNNS · pith_short_16: O5SFHFSTRNNS5NA3 · pith_short_8: O5SFHFST

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/O5SFHFSTRNNS5NA3WTHDEB4ZSE \
  | 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: 77645396538b5b2eb41bb4ce320799910ab099c61632a380d85e7f6d8b48ac1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52647e04b91cb10bbd7208dfe9413e4486e4ab30125d49758327a49264ae02f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2018-01-08T19:14:42Z",
    "title_canon_sha256": "d9c182227420bd295f2ae565b6fc390c19a3bff2e59a986de129b4ce51eb1118"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.03398",
    "kind": "arxiv",
    "version": 2
  }
}