Pith Number

pith:EKCEH6MV

pith:2013:EKCEH6MV5C5NC3MMNLOWSVRJVA

not attested not anchored not stored refs pending

Light-quark two-loop corrections to heavy-quark pair production in the gluon fusion channel

A. Ferroglia, A. von Manteuffel, C. Studerus, R. Bonciani, T. Gehrmann

arxiv:1309.4450 v1 · 2013-09-17 · hep-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EKCEH6MV5C5NC3MMNLOWSVRJVA}

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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	2026-05-18T01:47:36.308667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

228443f995e8bad16d8c6add695629a83a396cf0a9e344bc810c086398107c27

Aliases

arxiv: 1309.4450 · arxiv_version: 1309.4450v1 · doi: 10.48550/arxiv.1309.4450 · pith_short_12: EKCEH6MV5C5N · pith_short_16: EKCEH6MV5C5NC3MM · pith_short_8: EKCEH6MV

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/EKCEH6MV5C5NC3MMNLOWSVRJVA \
  | 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: 228443f995e8bad16d8c6add695629a83a396cf0a9e344bc810c086398107c27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a24888e5f217d5f4e703d947c01266dbcd5fe0c63e515f2510238eafa1c1e7f",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2013-09-17T20:00:01Z",
    "title_canon_sha256": "ffc45b7da9efc8091c2da2da31867be31385e86912f87bc099944e973041297c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4450",
    "kind": "arxiv",
    "version": 1
  }
}