Pith Number

pith:E7DD6L2R

pith:1998:E7DD6L2RGKIDCSU4E6TRWYBZJT

not attested not anchored not stored refs pending

QCD Corrections to Spin Correlations in Top Quark Production at Lepton Colliders

Jiro Kodaira (Hiroshima Univ.), Stephen Parke (Fermi National Accelerator Laboratory), Takashi Nasuno (Hiroshima Univ.)

arxiv:hep-ph/9807209 v2 · 1998-07-01 · 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{E7DD6L2RGKIDCSU4E6TRWYBZJT}

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	2026-07-04T17:21:01.443592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27c63f2f513290314a9c27a71b60394ce2278a021f115d011536ddf7a9acc156

Aliases

arxiv: hep-ph/9807209 · arxiv_version: hep-ph/9807209v2 · doi: 10.48550/arxiv.hep-ph/9807209 · pith_short_12: E7DD6L2RGKID · pith_short_16: E7DD6L2RGKIDCSU4 · pith_short_8: E7DD6L2R

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/E7DD6L2RGKIDCSU4E6TRWYBZJT \
  | 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: 27c63f2f513290314a9c27a71b60394ce2278a021f115d011536ddf7a9acc156

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47b07612ec2f52dfbacda833109b40491e381a805aa2f23600c7ac26078a6dfa",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1998-07-01T13:42:48Z",
    "title_canon_sha256": "0a23c19337d83411f7a51773b602cf10d6a070975bcd6615bff68b5d62d3cd31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9807209",
    "kind": "arxiv",
    "version": 2
  }
}