Pith Number

pith:RWGA4BOR

pith:2008:RWGA4BORE7E7TKIJ7Y4OX2OMTA

not attested not anchored not stored refs pending

Unitarity and the Hilbert space of quantum gravity

David Reeb, Stephen D.H. Hsu

arxiv:0803.4212 v2 · 2008-03-28 · hep-th · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RWGA4BORE7E7TKIJ7Y4OX2OMTA}

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

Information-Theoretic Black Hole Entropy I: Beyond the Area Law

Receipt and verification

First computed	2026-07-04T15:29:57.350595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d8c0e05d127c9f9a909fe38ebe9cc98234cc973919b575d22dc6058fcb497dc

Aliases

arxiv: 0803.4212 · arxiv_version: 0803.4212v2 · doi: 10.48550/arxiv.0803.4212 · pith_short_12: RWGA4BORE7E7 · pith_short_16: RWGA4BORE7E7TKIJ · pith_short_8: RWGA4BOR

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/RWGA4BORE7E7TKIJ7Y4OX2OMTA \
  | 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: 8d8c0e05d127c9f9a909fe38ebe9cc98234cc973919b575d22dc6058fcb497dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0bafca216cfaea04ed8f4642cded09eddf87ed1e31ed9a84834e7cbac221ba6",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2008-03-28T21:39:54Z",
    "title_canon_sha256": "e9a969261b0189717212624b6e91ec8a6a11fde46608e1b16a281e8edc4e34a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.4212",
    "kind": "arxiv",
    "version": 2
  }
}