pith. sign in
Pith Number

pith:RZ5V6IC4

pith:2011:RZ5V6IC4ZZHACRGLV4NIXYV2A4
not attested not anchored not stored refs pending

Modified gravity approach based on a preferred time foliation

Luc Blanchet, Sylvain Marsat

arxiv:1107.5264 v1 · 2011-07-26 · gr-qc · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{RZ5V6IC4ZZHACRGLV4NIXYV2A4}

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 2026-05-18T02:01:09.565516Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

8e7b5f205cce4e0144cbaf1a8be2ba07150b94e39566fe911b0ab415c5904d2a

Aliases

arxiv: 1107.5264 · arxiv_version: 1107.5264v1 · doi: 10.48550/arxiv.1107.5264 · pith_short_12: RZ5V6IC4ZZHA · pith_short_16: RZ5V6IC4ZZHACRGL · pith_short_8: RZ5V6IC4
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/RZ5V6IC4ZZHACRGLV4NIXYV2A4 \
  | 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: 8e7b5f205cce4e0144cbaf1a8be2ba07150b94e39566fe911b0ab415c5904d2a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "521eed27c4d227d2e39157cc07cae11f59b08ae4ff80ac9224e484a03a70cdbd",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-07-26T16:42:14Z",
    "title_canon_sha256": "b200ce226ad57cc88a706be3124ad42bc83a62413db8bf0843e8f6ff9377893d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.5264",
    "kind": "arxiv",
    "version": 1
  }
}