Pith Number

pith:QBK3TLVC

pith:2002:QBK3TLVC3WWWSXSU7ZGWSIKJTC

not attested not anchored not stored refs pending

Constrainting Cosmic Quintessence

G. J. Mathews, K. Ichiki, M. Orito, M. Yahiro, T. Kajino

arxiv:astro-ph/0202144 v1 · 2002-02-07 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QBK3TLVC3WWWSXSU7ZGWSIKJTC}

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	2026-07-04T14:11:53.406226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8055b9aea2ddad695e54fe4d6921499895e7fd444489dc446469dbdbcaf347d3

Aliases

arxiv: astro-ph/0202144 · arxiv_version: astro-ph/0202144v1 · doi: 10.48550/arxiv.astro-ph/0202144 · pith_short_12: QBK3TLVC3WWW · pith_short_16: QBK3TLVC3WWWSXSU · pith_short_8: QBK3TLVC

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/QBK3TLVC3WWWSXSU7ZGWSIKJTC \
  | 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: 8055b9aea2ddad695e54fe4d6921499895e7fd444489dc446469dbdbcaf347d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "753d06e1433a53445ffd0e4ed80ceb384ad85060f4b52db3377a0e4b4dc3bf06",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-02-07T00:31:17Z",
    "title_canon_sha256": "98a50a9299810a54ca069305e2e2f5bededdce365e20be3b881deb18c055a8a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0202144",
    "kind": "arxiv",
    "version": 1
  }
}