Pith Number

pith:5HIEXWTC

pith:2020:5HIEXWTC4R3CSMHWKXFHPJDGHB

not attested not anchored not stored refs pending

Effective Spin Foam Models for Four-Dimensional Quantum Gravity

Bianca Dittrich, Hal M. Haggard, Seth K. Asante

arxiv:2004.07013 v2 · 2020-04-15 · 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{5HIEXWTC4R3CSMHWKXFHPJDGHB}

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

Deferred Cyclotomic Representation for Stable and Exact Evaluation of q-Hypergeometric Series

Receipt and verification

First computed	2026-07-05T02:10:24.753942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9d04bda62e4762930f655ca77a466386bbf3a86d15426b8b28964bd085533de

Aliases

arxiv: 2004.07013 · arxiv_version: 2004.07013v2 · doi: 10.48550/arxiv.2004.07013 · pith_short_12: 5HIEXWTC4R3C · pith_short_16: 5HIEXWTC4R3CSMHW · pith_short_8: 5HIEXWTC

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/5HIEXWTC4R3CSMHWKXFHPJDGHB \
  | 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: e9d04bda62e4762930f655ca77a466386bbf3a86d15426b8b28964bd085533de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f53beb7ef3f26f3ae97b75a053f46576f9601ae4ec1aea87b0548184d0ffb227",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-04-15T11:25:25Z",
    "title_canon_sha256": "b58fb60e960f4e76aff06fff5c665722eb6466c0af4762d32b23208f9bbda69b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.07013",
    "kind": "arxiv",
    "version": 2
  }
}