Pith Number

pith:65P4MTNT

pith:2012:65P4MTNTG6CGELQVBI5244RMII

not attested not anchored not stored refs pending

Holonomy Spin Foam Models: Definition and Coarse Graining

Benjamin Bahr, Bianca Dittrich, Frank Hellmann, Wojciech Kaminski

arxiv:1208.3388 v1 · 2012-08-16 · gr-qc · hep-lat · 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{65P4MTNTG6CGELQVBI5244RMII}

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	2026-05-18T03:31:17.313772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f75fc64db33784622e150a3bae722c422e47f232e215313998fa96f66a94f0c3

Aliases

arxiv: 1208.3388 · arxiv_version: 1208.3388v1 · doi: 10.48550/arxiv.1208.3388 · pith_short_12: 65P4MTNTG6CG · pith_short_16: 65P4MTNTG6CGELQV · pith_short_8: 65P4MTNT

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/65P4MTNTG6CGELQVBI5244RMII \
  | 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: f75fc64db33784622e150a3bae722c422e47f232e215313998fa96f66a94f0c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f0438c51012b288b658f316b97f3612c7f3bc6721a09aefbd5b165ead31fea5",
    "cross_cats_sorted": [
      "hep-lat",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-08-16T14:55:08Z",
    "title_canon_sha256": "20dc288d95e66825b2616ed851d5b11a33e2bb12a5eed6839b4c909fe2bf16e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.3388",
    "kind": "arxiv",
    "version": 1
  }
}