Pith Number

pith:RHAMGNMC

pith:2015:RHAMGNMC4MUSZCHUNEXGRWZE24

not attested not anchored not stored refs pending

Production of two charm quark-antiquark pairs in single-parton scattering within the $k_t$-factorization approach

Andreas van Hameren, Antoni Szczurek, Rafal Maciula

arxiv:1504.06490 v2 · 2015-04-24 · 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{RHAMGNMC4MUSZCHUNEXGRWZE24}

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	2026-05-18T01:37:34.731214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

89c0c33582e3292c88f4692e68db24d703839eba7aa6de66df5cf2dc82841b0a

Aliases

arxiv: 1504.06490 · arxiv_version: 1504.06490v2 · doi: 10.48550/arxiv.1504.06490 · pith_short_12: RHAMGNMC4MUS · pith_short_16: RHAMGNMC4MUSZCHU · pith_short_8: RHAMGNMC

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/RHAMGNMC4MUSZCHUNEXGRWZE24 \
  | 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: 89c0c33582e3292c88f4692e68db24d703839eba7aa6de66df5cf2dc82841b0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77157424e0319ac2694b116c328d8383af879a575112e70f30db67cb68254698",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2015-04-24T13:01:29Z",
    "title_canon_sha256": "869a95e75e77a331f63997d0749095b108b0c7cbfaf2d433f8a1f0ecad5d355a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.06490",
    "kind": "arxiv",
    "version": 2
  }
}