Pith Number

pith:K4DUTEM7

pith:1995:K4DUTEM7TI3PPOE4QUDGDJZCQD

not attested not anchored not stored refs pending

Feasibility of Measuring the Cosmological Constant Lambda and Mass Density Omega using Type Ia Supernovae

Ariel Goobar, Saul Perlmutter

arxiv:astro-ph/9505022 v1 · 1995-05-04 · 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{K4DUTEM7TI3PPOE4QUDGDJZCQD}

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	2026-05-18T02:40:35.394028Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

570749919f9a36f7b89c850661a72280fab5f153fecc230b381955906a4c4906

Aliases

arxiv: astro-ph/9505022 · arxiv_version: astro-ph/9505022v1 · doi: 10.48550/arxiv.astro-ph/9505022 · pith_short_12: K4DUTEM7TI3P · pith_short_16: K4DUTEM7TI3PPOE4 · pith_short_8: K4DUTEM7

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/K4DUTEM7TI3PPOE4QUDGDJZCQD \
  | 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: 570749919f9a36f7b89c850661a72280fab5f153fecc230b381955906a4c4906

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72b0255a3cfe27b7f18bbf149fd7c41333d489180d931b317f96d593056e445d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1995-05-04T22:10:00Z",
    "title_canon_sha256": "f75557a882bbfe395e4dc28cc69889dff1c00d252629a17f5434ee58d7ef4f6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9505022",
    "kind": "arxiv",
    "version": 1
  }
}