Pith Number

pith:NJBHUWYJ

pith:1996:NJBHUWYJWEG26ASNJKKK7CQ2I6

not attested not anchored not stored refs pending

Some techniques for calculating two-loop diagrams

Andrei I. Davydychev

arxiv:hep-ph/9610510 v1 · 1996-10-28 · 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{NJBHUWYJWEG26ASNJKKK7CQ2I6}

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	2026-05-18T04:24:24.751443Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a427a5b09b10daf024d4a94af8a1a478afa1335adda859179676c26070e1711

Aliases

arxiv: hep-ph/9610510 · arxiv_version: hep-ph/9610510v1 · doi: 10.48550/arxiv.hep-ph/9610510 · pith_short_12: NJBHUWYJWEG2 · pith_short_16: NJBHUWYJWEG26ASN · pith_short_8: NJBHUWYJ

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/NJBHUWYJWEG26ASNJKKK7CQ2I6 \
  | 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: 6a427a5b09b10daf024d4a94af8a1a478afa1335adda859179676c26070e1711

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8cf39b26f56c2d59b638dc904aeb609cd1f5a95a91ddd8fd169bdee3b2749d40",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1996-10-28T16:38:52Z",
    "title_canon_sha256": "7700d7eb9b2118c70f27d3dd224829d1a8817c32b929872e32562f9e5800eee1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9610510",
    "kind": "arxiv",
    "version": 1
  }
}