Pith Number

pith:UGKGUPJS

pith:2011:UGKGUPJSCRDRHCKUG7IZ5D2TW5

not attested not anchored not stored refs pending

Horizon-preserving dualities and perturbations in non-canonical scalar field cosmologies

Azadeh Moradinezhad Dizgah, Ghazal Geshnizjani, William H. Kinney

arxiv:1110.4640 v2 · 2011-10-20 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UGKGUPJSCRDRHCKUG7IZ5D2TW5}

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	2026-05-18T02:00:07.633216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1946a3d32144713895437d19e8f53b759c59e18c1b050b48382170463942717

Aliases

arxiv: 1110.4640 · arxiv_version: 1110.4640v2 · doi: 10.48550/arxiv.1110.4640 · pith_short_12: UGKGUPJSCRDR · pith_short_16: UGKGUPJSCRDRHCKU · pith_short_8: UGKGUPJS

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/UGKGUPJSCRDRHCKUG7IZ5D2TW5 \
  | 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: a1946a3d32144713895437d19e8f53b759c59e18c1b050b48382170463942717

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ab4220a1d75ad15bdd89d7b2eb9a9a85bec39f269ae0a9b1f29fefa9a489668",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-10-20T20:02:47Z",
    "title_canon_sha256": "ab469b0c4b7d5e96bfc5ef09e207017a127eabbeb6e50a791863ea48b5c53829"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.4640",
    "kind": "arxiv",
    "version": 2
  }
}