Pith Number

pith:4POPMAUJ

pith:2020:4POPMAUJIXTG2HQHYBYB4ZLZTL

not attested not anchored not stored refs pending

Generalized Uncertainty Principle, Classical Mechanics, and General Relativity

F. Scardigli, R. Casadio

arxiv:2004.04076 v2 · 2020-04-08 · gr-qc · hep-th · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4POPMAUJIXTG2HQHYBYB4ZLZTL}

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.

Cited by

1 paper in Pith

Bounded compactness from G(E)UP

Receipt and verification

First computed	2026-07-05T01:10:35.512516Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3dcf6028945e66d1e07c0701e65799ad4328a01c9975d8b9987779f0eb56b4e

Aliases

arxiv: 2004.04076 · arxiv_version: 2004.04076v2 · doi: 10.48550/arxiv.2004.04076 · pith_short_12: 4POPMAUJIXTG · pith_short_16: 4POPMAUJIXTG2HQH · pith_short_8: 4POPMAUJ

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/4POPMAUJIXTG2HQHYBYB4ZLZTL \
  | 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: e3dcf6028945e66d1e07c0701e65799ad4328a01c9975d8b9987779f0eb56b4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2856ace45acecd0116afc95269846fa986800d2e7d5dee8bb22953f598dae0b3",
    "cross_cats_sorted": [
      "hep-th",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-04-08T15:56:11Z",
    "title_canon_sha256": "d8517860226e3a1e217ba6e540b5ecca166aa2dfb01933b7f30d19bf738ab302"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.04076",
    "kind": "arxiv",
    "version": 2
  }
}