Pith Number

pith:E2YHTPVX

pith:1999:E2YHTPVXY5GD6DJFT675RJCVP2

not attested not anchored not stored refs pending

New limits on $\Omega_{\Lambda}$ and $\Omega_M$ from old galaxies at high redshift

Brazil), J. A. S. Lima (Universidade Federal do Rio Grande do Norte, J. S. Alcaniz, Natal, RN

arxiv:astro-ph/9902298 v2 · 1999-02-20 · 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{E2YHTPVXY5GD6DJFT675RJCVP2}

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	2026-07-04T16:10:43.746537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26b079beb7c74c3f0d259fbfd8a4557e8ac2fd9bb29a06b1e168d291af0ce352

Aliases

arxiv: astro-ph/9902298 · arxiv_version: astro-ph/9902298v2 · doi: 10.48550/arxiv.astro-ph/9902298 · pith_short_12: E2YHTPVXY5GD · pith_short_16: E2YHTPVXY5GD6DJF · pith_short_8: E2YHTPVX

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/E2YHTPVXY5GD6DJFT675RJCVP2 \
  | 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: 26b079beb7c74c3f0d259fbfd8a4557e8ac2fd9bb29a06b1e168d291af0ce352

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a017d2e321b5de087d6ac79dcec382978956efa07f28aa88af30a32b16affd72",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-02-20T14:21:56Z",
    "title_canon_sha256": "1eeba940f8e2278a4bee7c656daa5e41b72caefc970920551840df8fa5d6cfa9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9902298",
    "kind": "arxiv",
    "version": 2
  }
}