Pith Number

pith:EFXZNGV3

pith:2011:EFXZNGV3532UDRWCZRMP7OLSU3

not attested not anchored not stored refs pending

Operator Spin Foams: holonomy formulation and coarse graining

Benjamin Bahr

arxiv:1112.3567 v1 · 2011-12-15 · 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{EFXZNGV3532UDRWCZRMP7OLSU3}

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	2026-05-18T01:59:09.204940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

216f969abbeef541c6c2cc58ffb972a6ef6102bfe9964a55ad3b0f4ae70e6827

Aliases

arxiv: 1112.3567 · arxiv_version: 1112.3567v1 · doi: 10.48550/arxiv.1112.3567 · pith_short_12: EFXZNGV3532U · pith_short_16: EFXZNGV3532UDRWC · pith_short_8: EFXZNGV3

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/EFXZNGV3532UDRWCZRMP7OLSU3 \
  | 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: 216f969abbeef541c6c2cc58ffb972a6ef6102bfe9964a55ad3b0f4ae70e6827

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "878d8726c12272f29ca60ab536c78fd563d3a58d79ac56c0611182535ed00376",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-12-15T16:52:42Z",
    "title_canon_sha256": "c39136e67b7811aaf5e13365979ad7e7649d61e0da1f121f3e872826aae7d428"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.3567",
    "kind": "arxiv",
    "version": 1
  }
}