Pith Number

pith:XV42WG5W

pith:1998:XV42WG5W3OCI77CSOVRWGW7BKO

not attested not anchored not stored refs pending

Cosmology in the Next Millennium: Combining MAP and SDSS Data to Constrain Inflationary Models

David N. Spergel, & Michael A. Strauss (Princeton), Yun Wang

arxiv:astro-ph/9802231 v2 · 1998-02-17 · 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{XV42WG5W3OCI77CSOVRWGW7BKO}

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	2026-05-18T04:34:29.013464Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd79ab1bb6db848ffc527563635be153809219fa4b0f656a3ebfe55e96922567

Aliases

arxiv: astro-ph/9802231 · arxiv_version: astro-ph/9802231v2 · doi: 10.48550/arxiv.astro-ph/9802231 · pith_short_12: XV42WG5W3OCI · pith_short_16: XV42WG5W3OCI77CS · pith_short_8: XV42WG5W

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/XV42WG5W3OCI77CSOVRWGW7BKO \
  | 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: bd79ab1bb6db848ffc527563635be153809219fa4b0f656a3ebfe55e96922567

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5ad9d9ccb4e576be602c3a59f1a7d08677adf2c82992bccb0a0474de1f8dcc8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-02-17T21:23:43Z",
    "title_canon_sha256": "b8b753e4a7abd7d5557990f7e95ddc4f7b3da78e53e61eb51c594d288b27e18b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9802231",
    "kind": "arxiv",
    "version": 2
  }
}