Pith Number

pith:BIFX32GD

pith:2021:BIFX32GDTR42F6YQHHOGFCAN67

not attested not anchored not stored refs pending

Four-dimensional Spinfoam Quantum Gravity with Cosmological Constant: Finiteness and Semiclassical Limit

Muxin Han

arxiv:2109.00034 v2 · 2021-08-31 · gr-qc · hep-th · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BIFX32GDTR42F6YQHHOGFCAN67}

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

Generalized Minkowski Theorem for Tetrahedra in ${\rm dS}^3$ and ${\rm AdS}^3$

Receipt and verification

First computed	2026-07-05T03:31:14.636067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a0b7de8c39c79a2fb1039dc62880df7c8d1ecb0fe1d782354692c2c80f3f84e

Aliases

arxiv: 2109.00034 · arxiv_version: 2109.00034v2 · doi: 10.48550/arxiv.2109.00034 · pith_short_12: BIFX32GDTR42 · pith_short_16: BIFX32GDTR42F6YQ · pith_short_8: BIFX32GD

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/BIFX32GDTR42F6YQHHOGFCAN67 \
  | 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: 0a0b7de8c39c79a2fb1039dc62880df7c8d1ecb0fe1d782354692c2c80f3f84e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33d215dcc23a9b96c4a19d317fdb8d241414383e7122b1ae4f8748aa3babc28e",
    "cross_cats_sorted": [
      "hep-th",
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-08-31T18:34:27Z",
    "title_canon_sha256": "680d1957d3276f76654d984db9f2bf4a07ee0afa1b20b4206169047ede385bbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.00034",
    "kind": "arxiv",
    "version": 2
  }
}