Pith Number

pith:CYXB7NMT

pith:2004:CYXB7NMTF23X5TRWWXS5D2N5ZM

not attested not anchored not stored refs pending

Covariant derivative expansion of the heat kernel

L.L. Salcedo

arxiv:hep-th/0409140 v2 · 2004-09-14 · 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{CYXB7NMTF23X5TRWWXS5D2N5ZM}

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	2026-05-18T02:35:39.591594Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

162e1fb5932eb77ece36b5e5d1e9bdcb16e591e05a4c893f6a4637c08d74f813

Aliases

arxiv: hep-th/0409140 · arxiv_version: hep-th/0409140v2 · doi: 10.48550/arxiv.hep-th/0409140 · pith_short_12: CYXB7NMTF23X · pith_short_16: CYXB7NMTF23X5TRW · pith_short_8: CYXB7NMT

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/CYXB7NMTF23X5TRWWXS5D2N5ZM \
  | 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: 162e1fb5932eb77ece36b5e5d1e9bdcb16e591e05a4c893f6a4637c08d74f813

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8766a882480cb9b20d00913376542ec349dbf8f35a6b7ee1b70a092dbb404736",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "hep-th",
    "submitted_at": "2004-09-14T10:14:32Z",
    "title_canon_sha256": "0e1c6a840c716e2b3360d623b110528dbd3a205527952fc36f2ea990079b29fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-th/0409140",
    "kind": "arxiv",
    "version": 2
  }
}