Pith Number

pith:NK25CD4E

pith:2018:NK25CD4EW6BQIIFGOTBAAVQSCV

not attested not anchored not stored refs pending

Quantum Computation as Gravity

Javier M. Magan, Pawel Caputa

arxiv:1807.04422 v2 · 2018-07-12 · 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{NK25CD4EW6BQIIFGOTBAAVQSCV}

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	2026-05-17T23:43:04.876782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ab5d10f84b7830420a674c2005612156f8feb2ddfae3a3eed697587977bc0a7

Aliases

arxiv: 1807.04422 · arxiv_version: 1807.04422v2 · doi: 10.48550/arxiv.1807.04422 · pith_short_12: NK25CD4EW6BQ · pith_short_16: NK25CD4EW6BQIIFG · pith_short_8: NK25CD4E

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/NK25CD4EW6BQIIFGOTBAAVQSCV \
  | 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: 6ab5d10f84b7830420a674c2005612156f8feb2ddfae3a3eed697587977bc0a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a06f362a32c692a53975002c3fc08e8c7f39fe557c3c599ecf2c38cb6715ae4e",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2018-07-12T04:44:35Z",
    "title_canon_sha256": "9360ba478c07614e6bda3f9b0e6131f6c38e770e3bd218e5b3119317a5d77677"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.04422",
    "kind": "arxiv",
    "version": 2
  }
}