Pith Number

pith:OOULTSTV

pith:2009:OOULTSTV2JHA6272PL2G4JHJN6

not attested not anchored not stored refs pending

Twisted Covariance and Weyl Quantisation

Gherardo Piacitelli

arxiv:0901.3109 v2 · 2009-01-20 · hep-th · 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{OOULTSTV2JHA6272PL2G4JHJN6}

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	2026-05-18T02:14:56.593785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73a8b9ca75d24e0f6bfa7af46e24e96fabbf7ad99c5c42987424ccfc7055ff7b

Aliases

arxiv: 0901.3109 · arxiv_version: 0901.3109v2 · doi: 10.48550/arxiv.0901.3109 · pith_short_12: OOULTSTV2JHA · pith_short_16: OOULTSTV2JHA6272 · pith_short_8: OOULTSTV

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/OOULTSTV2JHA6272PL2G4JHJN6 \
  | 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: 73a8b9ca75d24e0f6bfa7af46e24e96fabbf7ad99c5c42987424ccfc7055ff7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37c8d3ebd905088b83875f5d2b893a624d2fe629fa8a3316c9105d418ff6ff4c",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-01-20T18:18:27Z",
    "title_canon_sha256": "5503fbff26c3c1c97bd156202ce4994c891fa5e4bc1e238d9f1e792d00e66dc5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.3109",
    "kind": "arxiv",
    "version": 2
  }
}