Pith Number

pith:F55CCDCX

pith:2017:F55CCDCXQCWCZ37HV3T46RBP3H

not attested not anchored not stored refs pending

On the Entanglement Entropy of Quantum Fields in Causal Sets

Alessio Belenchia, Dionigi M.T. Benincasa, Marco Letizia, Stefano Liberati

arxiv:1712.04227 v1 · 2017-12-12 · gr-qc · hep-th · 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{F55CCDCXQCWCZ37HV3T46RBP3H}

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.

Cited by

1 paper in Pith

Numerical approach to the modular operator for fermionic systems

Receipt and verification

First computed	2026-05-18T00:10:28.297961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f7a210c5780ac2cefe7aee7cf442fd9f87fa07b227b48ca8cf533e182d685ea

Aliases

arxiv: 1712.04227 · arxiv_version: 1712.04227v1 · doi: 10.48550/arxiv.1712.04227 · pith_short_12: F55CCDCXQCWC · pith_short_16: F55CCDCXQCWCZ37H · pith_short_8: F55CCDCX

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/F55CCDCXQCWCZ37HV3T46RBP3H \
  | 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: 2f7a210c5780ac2cefe7aee7cf442fd9f87fa07b227b48ca8cf533e182d685ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2e05fd9fd08c9a722fd8dc867c4ab4dca20ac169c2afaadbb3fe0fb0cb980c6",
    "cross_cats_sorted": [
      "hep-th",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-12-12T10:59:33Z",
    "title_canon_sha256": "e25b2b9f7ec79dd11e4647202299764667a8371659d07e13494ad6097b56ab45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.04227",
    "kind": "arxiv",
    "version": 1
  }
}