Pith Number

pith:CYL3XZAG

pith:2020:CYL3XZAGSO6DK4A3BEC3COREBK

not attested not anchored not stored refs pending

Model Comparison of $\Lambda$CDM vs $R_h=ct$ using Cosmic Chronometers

Haveesh Singirikonda, Shantanu Desai

arxiv:2003.00494 v2 · 2020-03-01 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CYL3XZAGSO6DK4A3BEC3COREBK}

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	2026-07-05T01:24:50.005266Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1617bbe40693bc35701b0905b13a240a936064882d2297c5c448d2a2432e3981

Aliases

arxiv: 2003.00494 · arxiv_version: 2003.00494v2 · doi: 10.48550/arxiv.2003.00494 · pith_short_12: CYL3XZAGSO6D · pith_short_16: CYL3XZAGSO6DK4A3 · pith_short_8: CYL3XZAG

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/CYL3XZAGSO6DK4A3BEC3COREBK \
  | 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: 1617bbe40693bc35701b0905b13a240a936064882d2297c5c448d2a2432e3981

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb03115fc00ba60d87a213debe76f48b650487bb2f30577000de8f26c2b3c44f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2020-03-01T14:27:09Z",
    "title_canon_sha256": "24c1b6ed92adab9d26b14a5cba60710e5a49d3b671b240ef60e80b1abc70df7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.00494",
    "kind": "arxiv",
    "version": 2
  }
}