Pith Number

pith:AWOFQUZK

pith:2021:AWOFQUZKYLANHHEV5KOM5GVYLU

not attested not anchored not stored refs pending

Can quantum fluctuations differentiate between standard and unimodular gravity?

Antonio D. Pereira, Gustavo P. de Brito, Oleg Melichev, Roberto Percacci

arxiv:2105.13886 v1 · 2021-05-27 · 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{AWOFQUZKYLANHHEV5KOM5GVYLU}

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	2026-07-05T03:45:32.966226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

059c58532ac2c0d39c95ea9cce9ab85d2753c86d814a518c431f935ca7d6d4bb

Aliases

arxiv: 2105.13886 · arxiv_version: 2105.13886v1 · doi: 10.48550/arxiv.2105.13886 · pith_short_12: AWOFQUZKYLAN · pith_short_16: AWOFQUZKYLANHHEV · pith_short_8: AWOFQUZK

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/AWOFQUZKYLANHHEV5KOM5GVYLU \
  | 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: 059c58532ac2c0d39c95ea9cce9ab85d2753c86d814a518c431f935ca7d6d4bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3a81b3986687f65eaebcca954b55c2597550fce35e6452925a3fbadba81dbe2",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-05-27T13:49:17Z",
    "title_canon_sha256": "6873ad4161faf804d409c87cc0e765016175b4513bc6a883dd8cc0d03e28b076"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.13886",
    "kind": "arxiv",
    "version": 1
  }
}