Pith Number

pith:PQA4OKKT

pith:2015:PQA4OKKTQWORDQ3P3EKFPW77GQ

not attested not anchored not stored refs pending

Can a void mimic the $\Lambda$ in $\Lambda$CDM?

Edvard M\"ortsell, Iiro Vilja, Peter Sundell

arxiv:1503.08045 v2 · 2015-03-27 · astro-ph.CO · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PQA4OKKTQWORDQ3P3EKFPW77GQ}

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	2026-05-18T01:24:14.579637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c01c72953859d11c36fd91457dbff34143fdee28574e8d3725e3ed2064aef02

Aliases

arxiv: 1503.08045 · arxiv_version: 1503.08045v2 · doi: 10.48550/arxiv.1503.08045 · pith_short_12: PQA4OKKTQWOR · pith_short_16: PQA4OKKTQWORDQ3P · pith_short_8: PQA4OKKT

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/PQA4OKKTQWORDQ3P3EKFPW77GQ \
  | 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: 7c01c72953859d11c36fd91457dbff34143fdee28574e8d3725e3ed2064aef02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed0219db23198978efc153840aae7afb76b414ed85868687f772f642323991fc",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-03-27T12:22:20Z",
    "title_canon_sha256": "4ffd0e339009b50fa638e7d782300352c37cfe9344a774cbe0981f13e865e4f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.08045",
    "kind": "arxiv",
    "version": 2
  }
}