Pith Number

pith:KEDE5PI5

pith:2012:KEDE5PI5TN6EC4DPHLYVZHEDHA

not attested not anchored not stored refs pending

Gauge symmetries in spinfoam gravity: the case for "cellular quantization"

Matteo Smerlak, Valentin Bonzom

arxiv:1201.4996 v1 · 2012-01-24 · 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{KEDE5PI5TN6EC4DPHLYVZHEDHA}

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.

Receipt and verification

First computed	2026-05-18T03:47:53.206581Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51064ebd1d9b7c41706f3af15c9c83380fb3977aad1a69e12a23a08715ba4076

Aliases

arxiv: 1201.4996 · arxiv_version: 1201.4996v1 · doi: 10.48550/arxiv.1201.4996 · pith_short_12: KEDE5PI5TN6E · pith_short_16: KEDE5PI5TN6EC4DP · pith_short_8: KEDE5PI5

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/KEDE5PI5TN6EC4DPHLYVZHEDHA \
  | 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: 51064ebd1d9b7c41706f3af15c9c83380fb3977aad1a69e12a23a08715ba4076

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f85df0e16c0ecc228ab981179ccad9e12a33f5dbc5f685ebd70053e41397421a",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-01-24T15:00:33Z",
    "title_canon_sha256": "af429709689cd36790820bc963e1c9e7e19a99dfcdb9cc44a981a44a5db3cf62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.4996",
    "kind": "arxiv",
    "version": 1
  }
}