Pith Number

pith:SQHMKTNM

pith:2022:SQHMKTNMP6WG7GHAU3EFNNBXWG

not attested not anchored not stored refs pending

An Inner Product for 4D Quantum Gravity and the Chern-Simons-Kodama State

Gabriel Herczeg, Laurent Freidel, Stephon Alexander

arxiv:2212.07446 v2 · 2022-12-14 · 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{SQHMKTNMP6WG7GHAU3EFNNBXWG}

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

Toller matrices and the Feynman $i\varepsilon$ in spinfoams

Receipt and verification

First computed	2026-07-05T06:20:39.270808Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

940ec54dac7fac6f98e0a6c856b437b1981e2719375ec4367418b845219e8770

Aliases

arxiv: 2212.07446 · arxiv_version: 2212.07446v2 · doi: 10.48550/arxiv.2212.07446 · pith_short_12: SQHMKTNMP6WG · pith_short_16: SQHMKTNMP6WG7GHA · pith_short_8: SQHMKTNM

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/SQHMKTNMP6WG7GHAU3EFNNBXWG \
  | 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: 940ec54dac7fac6f98e0a6c856b437b1981e2719375ec4367418b845219e8770

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fff45cb912edc595b824280e3fa9782452a74a7d89b5e5a7d9090e2579dbd061",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2022-12-14T19:00:02Z",
    "title_canon_sha256": "e7d4066f845b615f85cfc5884424565e0e693776dc469fa05b8cc46618d48147"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.07446",
    "kind": "arxiv",
    "version": 2
  }
}