Pith Number

pith:TUHBPBGU

pith:1997:TUHBPBGULZAF26PIRYGTDJUYLL

not attested not anchored not stored refs pending

Perturbation evolution in cosmologies with a decaying cosmological constant

Andrew R Liddle, Pedro T P Viana

arxiv:astro-ph/9708247 v2 · 1997-08-27 · 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{TUHBPBGULZAF26PIRYGTDJUYLL}

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

1 paper in Pith

Extended Dark Energy analysis using DESI DR2 BAO measurements

Receipt and verification

First computed	2026-07-04T17:18:21.826040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d0e1784d45e405d79e88e0d31a6985ac39832c67ece7eac33ae0ca5078feb1e

Aliases

arxiv: astro-ph/9708247 · arxiv_version: astro-ph/9708247v2 · doi: 10.48550/arxiv.astro-ph/9708247 · pith_short_12: TUHBPBGULZAF · pith_short_16: TUHBPBGULZAF26PI · pith_short_8: TUHBPBGU

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/TUHBPBGULZAF26PIRYGTDJUYLL \
  | 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: 9d0e1784d45e405d79e88e0d31a6985ac39832c67ece7eac33ae0ca5078feb1e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95c6f7f4080f0a7476f845f464df4991cda78302668349524f74b74c0b5102c5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1997-08-27T13:14:27Z",
    "title_canon_sha256": "a9f97bdfb5822f04c65a029a9655c86ddf2d07b2d27251d9be8623c29e324c65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9708247",
    "kind": "arxiv",
    "version": 2
  }
}