Pith Number

pith:YSYMFZZO

pith:2025:YSYMFZZOPT6GGCDR63F6CSUGWU

not attested not anchored not stored refs pending

Unimodular JT gravity and de Sitter quantum cosmology

Altay Etkin, Bruno Alexandre, Farbod-Sayyed Rassouli

arxiv:2501.17213 v2 · 2025-01-28 · 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{YSYMFZZOPT6GGCDR63F6CSUGWU}

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

Ordering-Independent Wheeler-DeWitt Equation for Flat Minisuperspace Models

Receipt and verification

First computed	2026-07-05T10:29:33.226614Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4b0c2e72e7cfc630871f6cbe14a86b50903483680d641e0c2f69b4f242d2a69

Aliases

arxiv: 2501.17213 · arxiv_version: 2501.17213v2 · doi: 10.48550/arxiv.2501.17213 · pith_short_12: YSYMFZZOPT6G · pith_short_16: YSYMFZZOPT6GGCDR · pith_short_8: YSYMFZZO

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/YSYMFZZOPT6GGCDR63F6CSUGWU \
  | 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: c4b0c2e72e7cfc630871f6cbe14a86b50903483680d641e0c2f69b4f242d2a69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "039ae87e40f1a78288f2121a8aa23dcd25b93b37b99dc0f6ed229f6b598a2d05",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-01-28T16:17:51Z",
    "title_canon_sha256": "c75fd64e743ea25ab2d64346fcd941a322db3d79b4d1b98dc4f8c1f35c219a12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.17213",
    "kind": "arxiv",
    "version": 2
  }
}