pith. sign in
Pith Number

pith:PVIZWJRQ

pith:2009:PVIZWJRQM4GZNKNCHKAHTVAMZH
not attested not anchored not stored refs pending

The dark side of curvature

E. Fernandez-Martinez, G. Barenboim, L. Verde, O. Mena

arxiv:0910.0252 v2 · 2009-10-01 · astro-ph.CO · hep-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PVIZWJRQM4GZNKNCHKAHTVAMZH}

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 2026-05-18T02:34:20.465893Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7d519b2630670d96a9a23a8079d40cc9e7650e95bc3a60c29d75025e09424376

Aliases

arxiv: 0910.0252 · arxiv_version: 0910.0252v2 · doi: 10.48550/arxiv.0910.0252 · pith_short_12: PVIZWJRQM4GZ · pith_short_16: PVIZWJRQM4GZNKNC · pith_short_8: PVIZWJRQ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PVIZWJRQM4GZNKNCHKAHTVAMZH \
  | 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: 7d519b2630670d96a9a23a8079d40cc9e7650e95bc3a60c29d75025e09424376
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "98101080217461d77d3a029280c723dc20dc6cfa188f1b3e27220236ed4c665d",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-10-01T20:00:55Z",
    "title_canon_sha256": "c4e5f6c00c46eab3911bf41a7faa17179c4a0ded7ec77d3f83014a84e6f776ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.0252",
    "kind": "arxiv",
    "version": 2
  }
}