Pith Number

pith:6P2CSCMG

pith:1994:6P2CSCMGSXCDBPYIEIG4WEJSY6

not attested not anchored not stored refs pending

Derivative Expansion of the Effective Action and Vacuum Instability for QED in 2+1 Dimensions

Daniel Cangemi, Eric D'Hoker, Gerald Dunne

arxiv:hep-th/9409113 v1 · 1994-09-19 · hep-th · cond-mat · 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{6P2CSCMGSXCDBPYIEIG4WEJSY6}

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	2026-07-04T17:18:28.650325Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3f429098695c430bf08220dcb1132c7a17d38de0e7a740a58fd09f46f418aad

Aliases

arxiv: hep-th/9409113 · arxiv_version: hep-th/9409113v1 · doi: 10.48550/arxiv.hep-th/9409113 · pith_short_12: 6P2CSCMGSXCD · pith_short_16: 6P2CSCMGSXCDBPYI · pith_short_8: 6P2CSCMG

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/6P2CSCMGSXCDBPYIEIG4WEJSY6 \
  | 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: f3f429098695c430bf08220dcb1132c7a17d38de0e7a740a58fd09f46f418aad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5ba07943a189a355ca10639c79fd2030a4d8751021ea4175079aa6acc421be3",
    "cross_cats_sorted": [
      "cond-mat",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "1994-09-19T09:02:16Z",
    "title_canon_sha256": "b0e19ac4a2a5851e734f1bf4a8789f0c4ab7a30a6c28837b39fa4a57fb25a4d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/9409113",
    "kind": "arxiv",
    "version": 1
  }
}