Pith Number

pith:ZMDQHWSS

pith:2010:ZMDQHWSSQVGZEX4CLXRYTIUAGS

not attested not anchored not stored refs pending

Quantum Geometry on Quantum Spacetime: Distance, Area and Volume Operators

Dorothea Bahns, Gherardo Piacitelli, Klaus Fredenhagen, Sergio Doplicher

arxiv:1005.2130 v1 · 2010-05-12 · hep-th · gr-qc · math-ph · math.MP · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZMDQHWSSQVGZEX4CLXRYTIUAGS}

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	2026-05-18T02:22:51.763134Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb0703da52854d925f825de389a2803488122db874870ff9bdbf08ed0a9905c4

Aliases

arxiv: 1005.2130 · arxiv_version: 1005.2130v1 · doi: 10.48550/arxiv.1005.2130 · pith_short_12: ZMDQHWSSQVGZ · pith_short_16: ZMDQHWSSQVGZEX4C · pith_short_8: ZMDQHWSS

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/ZMDQHWSSQVGZEX4CLXRYTIUAGS \
  | 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: cb0703da52854d925f825de389a2803488122db874870ff9bdbf08ed0a9905c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e0acf08eddf5074d0a1a4584608ef9dd20d87ae9b3a6aa250cd10c7fdd291e2",
    "cross_cats_sorted": [
      "gr-qc",
      "math-ph",
      "math.MP",
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2010-05-12T15:34:41Z",
    "title_canon_sha256": "0c96941ff5fe82368cc9feca1519ea2efefb1b2c4cddda8e4c2d8bcb4092d17d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.2130",
    "kind": "arxiv",
    "version": 1
  }
}