pith. sign in
Pith Number

pith:XLHBJYCS

pith:2012:XLHBJYCSSHGSNDZST56E7VCU55
not attested not anchored not stored refs pending

Casimir Energy For a Massive Dirac Field in One Spatial Dimension: A Direct Approach

A. Seyedzahedi, M. A. Valuyan, R. Saghian, S. S. Gousheh

arxiv:1204.3181 v1 · 2012-04-14 · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{XLHBJYCSSHGSNDZST56E7VCU55}

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 2026-05-18T03:57:52.330762Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

bace14e05291cd268f329f7c4fd454ef505b2a63dda587bb4bd4a29c692e8aea

Aliases

arxiv: 1204.3181 · arxiv_version: 1204.3181v1 · doi: 10.48550/arxiv.1204.3181 · pith_short_12: XLHBJYCSSHGS · pith_short_16: XLHBJYCSSHGSNDZS · pith_short_8: XLHBJYCS
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/XLHBJYCSSHGSNDZST56E7VCU55 \
  | 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: bace14e05291cd268f329f7c4fd454ef505b2a63dda587bb4bd4a29c692e8aea
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "04c6e5c10c76c6bc9c12f16ba172b38501f54ef06263579bff52ebd1123d6263",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2012-04-14T15:16:01Z",
    "title_canon_sha256": "0b5989ef5152f16f755a7d3af83704e6acc294b9517d38dcc843ff5e580e4d83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.3181",
    "kind": "arxiv",
    "version": 1
  }
}