Pith Number

pith:EYQD7EVG

pith:2026:EYQD7EVGNOZYEWVMT5TCQ3EYYL

not attested not anchored not stored refs pending

Gauge vs (hidden) physical symmetries of FLRW cosmologies

Adri\`a Delhom, Andrea Calcinari, Daniele Oriti, Federico Greco, N\'estor Rivero

arxiv:2607.27351 v1 · 2026-07-29 · 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{EYQD7EVGNOZYEWVMT5TCQ3EYYL}

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	2026-07-31T00:10:44.342287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	unsigned_v0
Schema	pith-number/v1.0

Canonical hash

26203f92a66bb3825aac9f66286c98c2c83e735c1c5545ac09f1696039a950c7

Aliases

arxiv: 2607.27351 · arxiv_version: 2607.27351v1 · doi: 10.48550/arxiv.2607.27351 · pith_short_12: EYQD7EVGNOZY · pith_short_16: EYQD7EVGNOZYEWVM · pith_short_8: EYQD7EVG

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/EYQD7EVGNOZYEWVMT5TCQ3EYYL \
  | 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: 26203f92a66bb3825aac9f66286c98c2c83e735c1c5545ac09f1696039a950c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53316d325d10cddd16741b31b71d199f9ddbb9aaaf1293f0d5c4d1a68116ec5f",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2026-07-29T18:08:58Z",
    "title_canon_sha256": "19e51e406a8735e5bf5bd418f5e444df8a09960fa05b4db37dc0863eca8750f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.27351",
    "kind": "arxiv",
    "version": 1
  }
}