Pith Number

pith:NH4KSWFU

pith:2025:NH4KSWFUWOTVDSYAXBVGBBE6U3

not attested not anchored not stored refs pending

ER = EPR in Loop Quantum Gravity: the Immirzi Parameter and the Continuum Limit

Fabrizio Tamburini

arxiv:2508.18324 v2 · 2025-08-24 · 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{NH4KSWFUWOTVDSYAXBVGBBE6U3}

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	2026-07-05T12:00:52.058274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69f8a958b4b3a751cb00b86a60849ea6e422511aa025cfd609c7b0a68655ccd9

Aliases

arxiv: 2508.18324 · arxiv_version: 2508.18324v2 · doi: 10.48550/arxiv.2508.18324 · pith_short_12: NH4KSWFUWOTV · pith_short_16: NH4KSWFUWOTVDSYA · pith_short_8: NH4KSWFU

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/NH4KSWFUWOTVDSYAXBVGBBE6U3 \
  | 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: 69f8a958b4b3a751cb00b86a60849ea6e422511aa025cfd609c7b0a68655ccd9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6dce8b1184b0fc54a9fac3288048291031f738fd1d8bc1539c4c81e13ce217b4",
    "cross_cats_sorted": [
      "hep-th",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-08-24T17:03:54Z",
    "title_canon_sha256": "0bcfd04e693c3db1e793929bfb03b73366471515dad81ae5597cdff222e47555"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.18324",
    "kind": "arxiv",
    "version": 2
  }
}