Pith Number

pith:HKWCYRRG

pith:2012:HKWCYRRGFK7XSKKMCJJQ4OWOGD

not attested not anchored not stored refs pending

Observables need not be diffeomorphism invariant in Classical and Quantum Gravity

Manfred Requardt

arxiv:1206.0832 v1 · 2012-06-05 · 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{HKWCYRRGFK7XSKKMCJJQ4OWOGD}

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	2026-05-18T03:54:16.247970Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3aac2c46262abf79294c12530e3ace30c0bb3a8413e14cd64ca4a8b26f197524

Aliases

arxiv: 1206.0832 · arxiv_version: 1206.0832v1 · doi: 10.48550/arxiv.1206.0832 · pith_short_12: HKWCYRRGFK7X · pith_short_16: HKWCYRRGFK7XSKKM · pith_short_8: HKWCYRRG

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/HKWCYRRGFK7XSKKMCJJQ4OWOGD \
  | 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: 3aac2c46262abf79294c12530e3ace30c0bb3a8413e14cd64ca4a8b26f197524

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a298c7bda43c99a61386b89ea0d2dd54bfc269d117965b056df7aadd7b90fa50",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-06-05T07:49:03Z",
    "title_canon_sha256": "bf78caa9e57598e4f8ba566d74d8623cd4c6a24cab2eaf376452195779f932e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.0832",
    "kind": "arxiv",
    "version": 1
  }
}