Pith Number

pith:LKWYDEQH

pith:2012:LKWYDEQH2HELV3MZNHVDM2AO3K

not attested not anchored not stored refs pending

Surface Vacuum Energy in Cutoff Models: Pressure Anomaly and Distributional Gravitational Limit

Fernando D. Mera, Ricardo Estrada, Stephen A. Fulling

arxiv:1207.7013 v1 · 2012-07-30 · gr-qc · hep-th · math-ph · math.MP · quant-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{LKWYDEQH2HELV3MZNHVDM2AO3K}

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	2026-05-18T01:56:01.113370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5aad819207d1c8baed9969ea36680eda8b9a307ea206d1f61ef6755b82a54fe9

Aliases

arxiv: 1207.7013 · arxiv_version: 1207.7013v1 · doi: 10.48550/arxiv.1207.7013 · pith_short_12: LKWYDEQH2HEL · pith_short_16: LKWYDEQH2HELV3MZ · pith_short_8: LKWYDEQH

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/LKWYDEQH2HELV3MZNHVDM2AO3K \
  | 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: 5aad819207d1c8baed9969ea36680eda8b9a307ea206d1f61ef6755b82a54fe9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b631332418ff650c71f41d83a1f259427d8f05af24949aaee3262525ce5da3a",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-07-30T17:45:04Z",
    "title_canon_sha256": "b2a760336c1e99b8062a4c43dcfb75912b268f45cefab9dc258ffef8dc8f5392"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.7013",
    "kind": "arxiv",
    "version": 1
  }
}