Pith Number

pith:UE56YRV2

pith:1992:UE56YRV2NW5SRDZ2ZCFVAOXN5N

not attested not anchored not stored refs pending

On an asymptotic estimate of the $n$-loop correction in perturbative QCD

J.Ch\'yla, J.Fischer, P. Kol\'a\v{r}

arxiv:hep-ph/9210237 v1 · 1992-10-15 · 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{UE56YRV2NW5SRDZ2ZCFVAOXN5N}

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	2026-05-18T01:09:17.115840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a13bec46ba6dbb288f3ac88b503aedeb42ba1e22a4b75c546260f54c88aac4a6

Aliases

arxiv: hep-ph/9210237 · arxiv_version: hep-ph/9210237v1 · doi: 10.48550/arxiv.hep-ph/9210237 · pith_short_12: UE56YRV2NW5S · pith_short_16: UE56YRV2NW5SRDZ2 · pith_short_8: UE56YRV2

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/UE56YRV2NW5SRDZ2ZCFVAOXN5N \
  | 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: a13bec46ba6dbb288f3ac88b503aedeb42ba1e22a4b75c546260f54c88aac4a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9a26395b748e9dc4265a0782e9cd296492897c8a1d35e6f7b54da4a944d9f13",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1992-10-15T13:53:40Z",
    "title_canon_sha256": "62d57e8c3084f412bf62c02670374f8f9bbe92862fe36713e6b515975d39930b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9210237",
    "kind": "arxiv",
    "version": 1
  }
}