Pith Number

pith:MZKZNKSD

pith:1997:MZKZNKSDG7NRIEAE4WOSV6LELU

not attested not anchored not stored refs pending

Variational Approach to Quantum Field Theory: Gaussian Approximation and the Perturbative Expansion around It

Jae Hyung Yee (Yonsei univ.)

arxiv:hep-th/9707234 v2 · 1997-07-29 · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MZKZNKSDG7NRIEAE4WOSV6LELU}

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	2026-07-04T15:08:16.634955Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

665596aa4337db141004e59d2af9645d3b03043404896ee55a93cef2bf415929

Aliases

arxiv: hep-th/9707234 · arxiv_version: hep-th/9707234v2 · doi: 10.48550/arxiv.hep-th/9707234 · pith_short_12: MZKZNKSDG7NR · pith_short_16: MZKZNKSDG7NRIEAE · pith_short_8: MZKZNKSD

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/MZKZNKSDG7NRIEAE4WOSV6LELU \
  | 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: 665596aa4337db141004e59d2af9645d3b03043404896ee55a93cef2bf415929

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d180b717f16ea849409c523edc9544b07ea77da6a0420487031919578eec13a1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1997-07-29T07:42:59Z",
    "title_canon_sha256": "28c6e50877bdad4ef60e79644e0a47fb52232ef89a2a12eb2f8eb800a09c1b49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9707234",
    "kind": "arxiv",
    "version": 2
  }
}