pith. sign in
Pith Number

pith:JOIKFSJA

pith:2012:JOIKFSJAHPHQHHPVPTSZVYVUX2
not attested not anchored not stored refs pending

Uncertainty on w from large-scale structure

Mikko P\"a\"akk\"onen, Valerio Marra, Wessel Valkenburg

arxiv:1203.2180 v3 · 2012-03-09 · astro-ph.CO · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{JOIKFSJAHPHQHHPVPTSZVYVUX2}

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 2026-05-18T03:27:54.830335Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4b90a2c9203bcf039df57ce59ae2b4bea561f14ed1399bd37f7f7ad87c925615

Aliases

arxiv: 1203.2180 · arxiv_version: 1203.2180v3 · doi: 10.48550/arxiv.1203.2180 · pith_short_12: JOIKFSJAHPHQ · pith_short_16: JOIKFSJAHPHQHHPV · pith_short_8: JOIKFSJA
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/JOIKFSJAHPHQHHPVPTSZVYVUX2 \
  | 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: 4b90a2c9203bcf039df57ce59ae2b4bea561f14ed1399bd37f7f7ad87c925615
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "df69217dca3b2159a8a278f77b82b783f24b00102b76f44c54c106ae8bf99576",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-03-09T21:00:00Z",
    "title_canon_sha256": "93721743c5197ba85c6a382379c5cb4b8ccb069840a38135982a73e924450f21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.2180",
    "kind": "arxiv",
    "version": 3
  }
}