Pith Number

pith:CPSRJIYC

pith:2018:CPSRJIYC3ZGJTIBCJPL4DRRAYV

not attested not anchored not stored refs pending

Quantizing quantum Ricci curvature

N. Klitgaard, R. Loll

arxiv:1802.10524 v1 · 2018-02-28 · hep-th · gr-qc · hep-lat

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CPSRJIYC3ZGJTIBCJPL4DRRAYV}

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	2026-05-18T00:14:46.159632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13e514a302de4c99a0224bd7c1c620c56c75b9120b2f634b1450dfe00f246190

Aliases

arxiv: 1802.10524 · arxiv_version: 1802.10524v1 · doi: 10.48550/arxiv.1802.10524 · pith_short_12: CPSRJIYC3ZGJ · pith_short_16: CPSRJIYC3ZGJTIBC · pith_short_8: CPSRJIYC

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/CPSRJIYC3ZGJTIBCJPL4DRRAYV \
  | 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: 13e514a302de4c99a0224bd7c1c620c56c75b9120b2f634b1450dfe00f246190

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b748a7183e525ec7e9284f9dd2ce51883e365390fc1b7eb4341c798ba8a3a4d4",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-lat"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2018-02-28T16:34:21Z",
    "title_canon_sha256": "3f8489e07a26fd3667dc214ac7a431d08afcd551373634690a4b4515f6be8682"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.10524",
    "kind": "arxiv",
    "version": 1
  }
}