Pith Number

pith:6EHH7MFZ

pith:2017:6EHH7MFZQUNP4W6XAU4TDPHJFO

not attested not anchored not stored refs pending

Finite entanglement entropy and spectral dimension in quantum gravity

Gianluca Calcagni, Michele Arzano

arxiv:1704.01141 v4 · 2017-04-04 · 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{6EHH7MFZQUNP4W6XAU4TDPHJFO}

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	2026-05-18T00:28:15.995496Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f10e7fb0b9851afe5bd7053931bce92bb4755efcfbebbded9171f05f7c1a1fae

Aliases

arxiv: 1704.01141 · arxiv_version: 1704.01141v4 · doi: 10.48550/arxiv.1704.01141 · pith_short_12: 6EHH7MFZQUNP · pith_short_16: 6EHH7MFZQUNP4W6X · pith_short_8: 6EHH7MFZ

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/6EHH7MFZQUNP4W6XAU4TDPHJFO \
  | 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: f10e7fb0b9851afe5bd7053931bce92bb4755efcfbebbded9171f05f7c1a1fae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e17f0831fd7f59982b8f9f79af3ad89bce05ec0aeb6fa3a8eabc6ca4f478bb0",
    "cross_cats_sorted": [
      "gr-qc",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2017-04-04T18:20:56Z",
    "title_canon_sha256": "638b3e27f059eb466a50201f116d6ffb79647b490ed5fd2c19c189f55cb50b04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.01141",
    "kind": "arxiv",
    "version": 4
  }
}