Pith Number

pith:SUF2OBOV

pith:2002:SUF2OBOVHIJ3GKECHYWCGIAJQL

not attested not anchored not stored refs pending

Exploring the Expansion History of the Universe

Eric V. Linder (LBL)

arxiv:astro-ph/0208512 v1 · 2002-08-28 · 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{SUF2OBOVHIJ3GKECHYWCGIAJQL}

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

47 papers in Pith

Direct detection of the cosmic expansion: the redshift drift and the flux drift

$\Lambda$CDM-like models with future singularities

Assessing observational constraints on dark energy

MUltiplexed Survey Telescope (MUST) Science White Paper I: Overview of Large-Scale Structure Cosmology in the Era of Stage-V Spectroscopic Surveys

DEMNUni: the Sunyaev-Zel'dovich effect in the presence of massive neutrinos and dynamical dark energy

Receipt and verification

First computed	2026-05-18T04:15:07.363855Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

950ba705d53a13b328823e2c23200982df85c36fcfd20527ca55864e87819b6c

Aliases

arxiv: astro-ph/0208512 · arxiv_version: astro-ph/0208512v1 · doi: 10.48550/arxiv.astro-ph/0208512 · pith_short_12: SUF2OBOVHIJ3 · pith_short_16: SUF2OBOVHIJ3GKEC · pith_short_8: SUF2OBOV

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/SUF2OBOVHIJ3GKECHYWCGIAJQL \
  | 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: 950ba705d53a13b328823e2c23200982df85c36fcfd20527ca55864e87819b6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57aae96ed0567541aebe954912ebf48440aa2a5f70df90c77808bfd746f87d24",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-08-28T23:21:10Z",
    "title_canon_sha256": "6928497a4e1df407cb7ca91f185dd78089721479127898fd65278ee0ead7becb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0208512",
    "kind": "arxiv",
    "version": 1
  }
}