Pith Number

pith:T2D5BZQD

pith:2018:T2D5BZQDXBBLNJMZPNZB4KPEJU

not attested not anchored not stored refs pending

Quantum gravity: a quantum-first approach

Steven B. Giddings

arxiv:1805.06900 v1 · 2018-05-17 · 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{T2D5BZQDXBBLNJMZPNZB4KPEJU}

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

Quantum gravity observables: observation, algebras, and mathematical structure

Receipt and verification

First computed	2026-05-18T00:15:27.380451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e87d0e603b842b6a5997b721e29e44d3d562c87415c28d7d8a1f23bc773915b

Aliases

arxiv: 1805.06900 · arxiv_version: 1805.06900v1 · doi: 10.48550/arxiv.1805.06900 · pith_short_12: T2D5BZQDXBBL · pith_short_16: T2D5BZQDXBBLNJMZ · pith_short_8: T2D5BZQD

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/T2D5BZQDXBBLNJMZPNZB4KPEJU \
  | 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: 9e87d0e603b842b6a5997b721e29e44d3d562c87415c28d7d8a1f23bc773915b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "071d19549f2fabd265343bdf735f75a1edbcbb72d0cb8108de8d7846b00b5af1",
    "cross_cats_sorted": [
      "gr-qc",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2018-05-17T18:00:01Z",
    "title_canon_sha256": "871490e628902bf7688c9777c9d967eff64f4af2897e9d1d02c6c3b6bd392176"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.06900",
    "kind": "arxiv",
    "version": 1
  }
}