Pith. sign in
Pith Number

pith:NY2YKX4K

pith:2006:NY2YKX4KB2OASXHVDEAC6KATKQ
not attested not anchored not stored refs pending

A Cosmology Calculator for the World Wide Web

Edward L. Wright (UCLA)

arxiv:astro-ph/0609593 v2 · 2006-09-20 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{NY2YKX4KB2OASXHVDEAC6KATKQ}

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.

Cited by

19 papers in Pith

Receipt and verification
First computed 2026-07-04T17:26:53.025405Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

6e35855f8a0e9c095cf519002f2813542c6928cef1666e94180a781e333096bf

Aliases

arxiv: astro-ph/0609593 · arxiv_version: astro-ph/0609593v2 · doi: 10.48550/arxiv.astro-ph/0609593 · pith_short_12: NY2YKX4KB2OA · pith_short_16: NY2YKX4KB2OASXHV · pith_short_8: NY2YKX4K
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/NY2YKX4KB2OASXHVDEAC6KATKQ \
  | 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: 6e35855f8a0e9c095cf519002f2813542c6928cef1666e94180a781e333096bf
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "47e048c1542cceb76594c63f375141fbacaa8a5b44af532a5a133365c362ef64",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-09-20T21:48:47Z",
    "title_canon_sha256": "037f7e8c2ede20a9c0a78bf9066567bb7ab18dd8cde4ded0bc68d21a53776d31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0609593",
    "kind": "arxiv",
    "version": 2
  }
}