Pith Number

pith:RR56ERHR

pith:2009:RR56ERHRTJJ5Z4QNHZAL2HTM4A

not attested not anchored not stored refs pending

Cosmological Tests of General Relativity with Future Tomographic Surveys

Alessandra Silvestri, Gong-Bo Zhao, Joel Zylberberg, Levon Pogosian

arxiv:0905.1326 v2 · 2009-05-11 · astro-ph.CO · gr-qc · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RR56ERHRTJJ5Z4QNHZAL2HTM4A}

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	2026-07-04T17:26:25.810954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c7be244f19a53dcf20d3e40bd1e6ce002891821850ab90012b022d635f56f4d

Aliases

arxiv: 0905.1326 · arxiv_version: 0905.1326v2 · doi: 10.48550/arxiv.0905.1326 · pith_short_12: RR56ERHRTJJ5 · pith_short_16: RR56ERHRTJJ5Z4QN · pith_short_8: RR56ERHR

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/RR56ERHRTJJ5Z4QNHZAL2HTM4A \
  | 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: 8c7be244f19a53dcf20d3e40bd1e6ce002891821850ab90012b022d635f56f4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0aa3895aa8fbfacc1488fdc363ac96dc0c087c08c6d2a2daf3e3b409c3998af",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-05-11T18:42:48Z",
    "title_canon_sha256": "e59d500c34c821477724447224a97b3dd095b07df449819f0ee32974b145b171"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.1326",
    "kind": "arxiv",
    "version": 2
  }
}