Pith Number

pith:PMFWQ4NS

pith:1998:PMFWQ4NS6CPDQUACWOVGR4JCEV

not attested not anchored not stored refs pending

Weyl-van-der-Waerden formalism for helicity amplitudes of massive particles

Stefan Dittmaier

arxiv:hep-ph/9805445 v1 · 1998-05-25 · 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{PMFWQ4NS6CPDQUACWOVGR4JCEV}

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.

Cited by

1 paper in Pith

BRST methods for constructing quartic actions for spinning black holes

Receipt and verification

First computed	2026-05-18T04:15:48.587008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b0b6871b2f09e385002b3aa68f122257872dc7b9a03c27cbf7d143db233193a

Aliases

arxiv: hep-ph/9805445 · arxiv_version: hep-ph/9805445v1 · doi: 10.48550/arxiv.hep-ph/9805445 · pith_short_12: PMFWQ4NS6CPD · pith_short_16: PMFWQ4NS6CPDQUAC · pith_short_8: PMFWQ4NS

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/PMFWQ4NS6CPDQUACWOVGR4JCEV \
  | 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: 7b0b6871b2f09e385002b3aa68f122257872dc7b9a03c27cbf7d143db233193a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ffc4d59d09c3bf9ff2a98bd175f716c42661e2545d9203df154611171ec2a11",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1998-05-25T14:58:51Z",
    "title_canon_sha256": "a6ee0e0e50baf9cc4e8bc0c48f2599579c1f096c1fae2cad2e1892087e2cd487"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9805445",
    "kind": "arxiv",
    "version": 1
  }
}