Pith Number

pith:PBXH6OV4

pith:2018:PBXH6OV453X37C3ZN4Y5QHJYYC

not attested not anchored not stored refs pending

The effect on cosmological parameter estimation of a parameter dependent covariance matrix

Darsh Kodwani, David Alonso, Pedro Ferreira

arxiv:1811.11584 v2 · 2018-11-28 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PBXH6OV453X37C3ZN4Y5QHJYYC}

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	2026-05-17T23:50:48.688652Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

786e7f3abceeefbf8b796f31d81d38c0af06e8726feb0854aa69bbd769076abe

Aliases

arxiv: 1811.11584 · arxiv_version: 1811.11584v2 · doi: 10.48550/arxiv.1811.11584 · pith_short_12: PBXH6OV453X3 · pith_short_16: PBXH6OV453X37C3Z · pith_short_8: PBXH6OV4

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/PBXH6OV453X37C3ZN4Y5QHJYYC \
  | 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: 786e7f3abceeefbf8b796f31d81d38c0af06e8726feb0854aa69bbd769076abe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebf3ec543957b4aa753912a2354f78d9bb4ac8c1cd1df8205dcb985a69f29f4b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-11-28T14:15:52Z",
    "title_canon_sha256": "66562863e65ba40deb196e5a13f1d8ee435b854ab9f5c8206003edae7fdb1bb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.11584",
    "kind": "arxiv",
    "version": 2
  }
}