Pith Number

pith:QFNSSPBU

pith:2018:QFNSSPBU36M3FPAOTYUPF2AD7K

not attested not anchored not stored refs pending

Does quantum gravity relate the constants of nature?

Suprit Singh, Viqar Husain

arxiv:1807.08704 v2 · 2018-07-23 · gr-qc · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QFNSSPBU36M3FPAOTYUPF2AD7K}

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	2026-05-18T00:01:48.737156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

815b293c34df99b2bc0e9e28f2e803fab658dd67b9015a3dc4d6cc9275bfa1da

Aliases

arxiv: 1807.08704 · arxiv_version: 1807.08704v2 · doi: 10.48550/arxiv.1807.08704 · pith_short_12: QFNSSPBU36M3 · pith_short_16: QFNSSPBU36M3FPAO · pith_short_8: QFNSSPBU

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/QFNSSPBU36M3FPAOTYUPF2AD7K \
  | 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: 815b293c34df99b2bc0e9e28f2e803fab658dd67b9015a3dc4d6cc9275bfa1da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "460163a5303d038946ef3f215eb3c1cfcf204d976f35ed61fdf7023676c9ee74",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-07-23T16:31:30Z",
    "title_canon_sha256": "da14362a4c629790e048768f671ab4700abb725544a4431c10d9412935f5a87b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.08704",
    "kind": "arxiv",
    "version": 2
  }
}