pith. sign in
Pith Number

pith:R2VIU7BM

pith:2013:R2VIU7BMXVWZWHLF4LS3RGLPDI
not attested not anchored not stored refs pending

The soft function for color octet production at threshold

M. Czakon, P. Fiedler

arxiv:1311.2541 v2 · 2013-11-11 · hep-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{R2VIU7BMXVWZWHLF4LS3RGLPDI}

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 2026-05-18T01:46:32.318300Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

8eaa8a7c2cbd6d9b1d65e2e5b8996f1a2a19b4320770253c13afca77b6fcb9a4

Aliases

arxiv: 1311.2541 · arxiv_version: 1311.2541v2 · doi: 10.48550/arxiv.1311.2541 · pith_short_12: R2VIU7BMXVWZ · pith_short_16: R2VIU7BMXVWZWHLF · pith_short_8: R2VIU7BM
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/R2VIU7BMXVWZWHLF4LS3RGLPDI \
  | 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: 8eaa8a7c2cbd6d9b1d65e2e5b8996f1a2a19b4320770253c13afca77b6fcb9a4
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "5c508bef10b4592d61faa3acfaa324274d6483093d9cc7dbb1cbd49fa2ea636a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2013-11-11T19:22:25Z",
    "title_canon_sha256": "ec4d5dd9ff4bd5829a6ecb98b8b388ee8520b308cc4866fbc7b59ebf1bdc3e01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.2541",
    "kind": "arxiv",
    "version": 2
  }
}