Pith Number

pith:YPUX4UAC

pith:2010:YPUX4UAC3K4DHPPZXHLSFT3YXZ

not attested not anchored not stored refs pending

Unifying Einstein and Palatini gravities

Kari Enqvist, Luca Amendola, Tomi Koivisto

arxiv:1010.4776 v1 · 2010-10-22 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YPUX4UAC3K4DHPPZXHLSFT3YXZ}

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

Modified Gravity and Cosmology

Receipt and verification

First computed	2026-05-18T04:28:29.362613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3e97e5002dab833bdf9b9d722cf78be5901131202f59bd636d87b55bb58ee65

Aliases

arxiv: 1010.4776 · arxiv_version: 1010.4776v1 · doi: 10.48550/arxiv.1010.4776 · pith_short_12: YPUX4UAC3K4D · pith_short_16: YPUX4UAC3K4DHPPZ · pith_short_8: YPUX4UAC

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/YPUX4UAC3K4DHPPZXHLSFT3YXZ \
  | 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: c3e97e5002dab833bdf9b9d722cf78be5901131202f59bd636d87b55bb58ee65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4eec6428f313936f007be8b1e3e7244ca8f887e1e8b3d01664eae5bd39b20277",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-10-22T19:05:24Z",
    "title_canon_sha256": "3ba35f731f1a820ef9befc63472aef4cedbc291229ad592a2df3e108890070a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.4776",
    "kind": "arxiv",
    "version": 1
  }
}