Pith. sign in
Pith Number

pith:QQXMXG6M

pith:2008:QQXMXG6MPLAHSZ2ZXQ2XMO2GXQ
not attested not anchored not stored refs pending

p-brane dynamics in N+1-dimensional FRW universes

L. Sousa, P.P. Avelino, R. Menezes

arxiv:0811.1580 v1 · 2008-11-10 · hep-th · astro-ph · gr-qc · hep-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{QQXMXG6MPLAHSZ2ZXQ2XMO2GXQ}

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 2026-07-04T15:39:23.453263Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

842ecb9bcc7ac0796759bc35763b46bc2c3a36b858ce5b1f6881e8755cd08c51

Aliases

arxiv: 0811.1580 · arxiv_version: 0811.1580v1 · doi: 10.48550/arxiv.0811.1580 · pith_short_12: QQXMXG6MPLAH · pith_short_16: QQXMXG6MPLAHSZ2Z · pith_short_8: QQXMXG6M
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/QQXMXG6MPLAHSZ2ZXQ2XMO2GXQ \
  | 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: 842ecb9bcc7ac0796759bc35763b46bc2c3a36b858ce5b1f6881e8755cd08c51
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "39edcaed886322d8cf0b4162248817db7723e30157803fe11cc6049e10746424",
    "cross_cats_sorted": [
      "astro-ph",
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2008-11-10T21:02:03Z",
    "title_canon_sha256": "a6d7629ab208d2de6922a6ad363f87b398b394f55a1faddff64e315d01c0e7ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.1580",
    "kind": "arxiv",
    "version": 1
  }
}