Pith Number

pith:BF4HHCIM

pith:2020:BF4HHCIMI372FOLYRBUVDC62LF

not attested not anchored not stored refs pending

Two-loop leading-color helicity amplitudes for three-photon production at the LHC

Alexander Mitov, Herschel A. Chawdhry, Michal Czakon, Rene Poncelet

arxiv:2012.13553 v2 · 2020-12-25 · 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{BF4HHCIMI372FOLYRBUVDC62LF}

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	2026-07-05T03:08:06.414046Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

097873890c46ffa2b9788869518bda5975e92cc5d3f0561d5fa271430357504d

Aliases

arxiv: 2012.13553 · arxiv_version: 2012.13553v2 · doi: 10.48550/arxiv.2012.13553 · pith_short_12: BF4HHCIMI372 · pith_short_16: BF4HHCIMI372FOLY · pith_short_8: BF4HHCIM

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/BF4HHCIMI372FOLYRBUVDC62LF \
  | 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: 097873890c46ffa2b9788869518bda5975e92cc5d3f0561d5fa271430357504d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ead7d0becda36c091bbf605c5aefa27b9346a7695d958e9393e144285698819c",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2020-12-25T10:23:30Z",
    "title_canon_sha256": "7a369b6d325e22e51234c2268c30455c1aa16c132dbea8793ec44d4bcea8293a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.13553",
    "kind": "arxiv",
    "version": 2
  }
}