Pith Number

pith:EJZNQ5OG

pith:1995:EJZNQ5OGYWQDGZGIAXJU5Y3EKQ

not attested not anchored not stored refs pending

BRST Cohomology and Its Application to QED

Bum-Hoon Lee, Hyun Seok Yang

arxiv:hep-th/9502082 v2 · 1995-02-14 · 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{EJZNQ5OGYWQDGZGIAXJU5Y3EKQ}

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	2026-05-18T04:17:35.181545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2272d875c6c5a03364c805d34ee36454391a5c7eff0ed4b205432a9a822f1d58

Aliases

arxiv: hep-th/9502082 · arxiv_version: hep-th/9502082v2 · doi: 10.48550/arxiv.hep-th/9502082 · pith_short_12: EJZNQ5OGYWQD · pith_short_16: EJZNQ5OGYWQDGZGI · pith_short_8: EJZNQ5OG

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/EJZNQ5OGYWQDGZGIAXJU5Y3EKQ \
  | 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: 2272d875c6c5a03364c805d34ee36454391a5c7eff0ed4b205432a9a822f1d58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5da5a5aa68c0159f1f2a891cbb65c8323a12a98d2728a70f0e12867accccf380",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1995-02-14T16:05:34Z",
    "title_canon_sha256": "cea040e161fbc2ab9b7a896c23c930876f5513660030b7d821ab4ccc4ea4689a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9502082",
    "kind": "arxiv",
    "version": 2
  }
}