Pith Number

pith:53PDCIKL

pith:1999:53PDCIKLXKVTN2EQ6U3XC4OMXN

not attested not anchored not stored refs pending

Techniques for QCD calculations by numerical integration

Davison E. Soper

arxiv:hep-ph/9910292 v1 · 1999-10-11 · 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{53PDCIKLXKVTN2EQ6U3XC4OMXN}

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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

General finite two-loop amplitude integrand for photoproduction in quark annihilation

Receipt and verification

First computed	2026-07-04T16:14:31.018806Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eede31214bbaab36e890f5377171ccbb6374f25fa2a54a1a5354da6bd97734c8

Aliases

arxiv: hep-ph/9910292 · arxiv_version: hep-ph/9910292v1 · doi: 10.48550/arxiv.hep-ph/9910292 · pith_short_12: 53PDCIKLXKVT · pith_short_16: 53PDCIKLXKVTN2EQ · pith_short_8: 53PDCIKL

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/53PDCIKLXKVTN2EQ6U3XC4OMXN \
  | 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: eede31214bbaab36e890f5377171ccbb6374f25fa2a54a1a5354da6bd97734c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "599b791f0431a7f63b34d918245aa2695dbf7a30cf094ce40459a5d5a6cff113",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1999-10-11T22:31:10Z",
    "title_canon_sha256": "ce66bf21afc0065e23eb1012c5e4ccf110656ead9994f751a041db2387206a32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9910292",
    "kind": "arxiv",
    "version": 1
  }
}