Pith Number

pith:OH73V2RU

pith:2014:OH73V2RUXZDVZ7GWECIX6PC3UY

not attested not anchored not stored refs pending

Cosmological back-reaction in modified gravity and its implications for dark energy

Anthony W. H. Preston, Tim R. Morris

arxiv:1406.5398 v2 · 2014-06-20 · gr-qc · astro-ph.CO · hep-ph · 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{OH73V2RUXZDVZ7GWECIX6PC3UY}

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	2026-05-18T02:43:10.715020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71ffbaea34be475cfcd620917f3c5ba6183a418c81d2840b7fa9ddf7dd6706f8

Aliases

arxiv: 1406.5398 · arxiv_version: 1406.5398v2 · doi: 10.48550/arxiv.1406.5398 · pith_short_12: OH73V2RUXZDV · pith_short_16: OH73V2RUXZDVZ7GW · pith_short_8: OH73V2RU

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/OH73V2RUXZDVZ7GWECIX6PC3UY \
  | 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: 71ffbaea34be475cfcd620917f3c5ba6183a418c81d2840b7fa9ddf7dd6706f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7566a312701e8adfdac71b77cfe721a5c32e387c6f2247b01ed91bbb1b592925",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-06-20T14:21:04Z",
    "title_canon_sha256": "15ed7604b88675e47c3c56740c0864943e74533f928616c299194d5d4a74a785"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.5398",
    "kind": "arxiv",
    "version": 2
  }
}