Pith Number

pith:52U5WQJ5

pith:2013:52U5WQJ5VTYIJMSOCCXGVLUACZ

not attested not anchored not stored refs pending

Probing Hawking and Unruh effects and quantum field theory in curved space by geometric invariants

Antonio Capolupo, Giuseppe Vitiello

arxiv:1311.2892 v1 · 2013-11-12 · hep-th · gr-qc · 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{52U5WQJ5VTYIJMSOCCXGVLUACZ}

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	2026-05-18T03:07:21.587283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eea9db413dacf084b24e10ae6aae80166b3889e8fdd884499b526c246b69d445

Aliases

arxiv: 1311.2892 · arxiv_version: 1311.2892v1 · doi: 10.48550/arxiv.1311.2892 · pith_short_12: 52U5WQJ5VTYI · pith_short_16: 52U5WQJ5VTYIJMSO · pith_short_8: 52U5WQJ5

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/52U5WQJ5VTYIJMSOCCXGVLUACZ \
  | 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: eea9db413dacf084b24e10ae6aae80166b3889e8fdd884499b526c246b69d445

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9972d1b7225f19c6826389622f9720a9f9a0ae0a39c407c4cadf7a0eb755dc4b",
    "cross_cats_sorted": [
      "gr-qc",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-11-12T19:28:18Z",
    "title_canon_sha256": "6dc21dc5596cfd1f40804df65d69ac665cd74629599dcdc37514da6e5431dcc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.2892",
    "kind": "arxiv",
    "version": 1
  }
}