Pith Number

pith:T7CMVGKQ

pith:2012:T7CMVGKQIL62JQ7AJPE7UJR4RW

not attested not anchored not stored refs pending

Using H(z) data as a probe of the concordance model

Chris Clarkson (Cape Town, Marina Seikel, Roy Maartens, Sahba Yahya, Western Cape)

arxiv:1205.3431 v2 · 2012-05-15 · 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{T7CMVGKQIL62JQ7AJPE7UJR4RW}

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

Model-independent reconstruction of cosmic thermodynamics and dark energy dynamics

Receipt and verification

First computed	2026-05-18T03:42:23.762709Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fc4ca995042fda4c3e04bc9fa263c8d8692516be90a5922bf8b6a1a78720778

Aliases

arxiv: 1205.3431 · arxiv_version: 1205.3431v2 · doi: 10.48550/arxiv.1205.3431 · pith_short_12: T7CMVGKQIL62 · pith_short_16: T7CMVGKQIL62JQ7A · pith_short_8: T7CMVGKQ

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/T7CMVGKQIL62JQ7AJPE7UJR4RW \
  | 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: 9fc4ca995042fda4c3e04bc9fa263c8d8692516be90a5922bf8b6a1a78720778

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f53bae43e40ae2ce6a0ebbb34541b6ecb08e9b42ea6fe338fcb48f48bf2f69f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-05-15T16:13:49Z",
    "title_canon_sha256": "b8ca3ef7095a2aff3a3cfb8ded9cec5ec06c317677b129ef25676a1905db44e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.3431",
    "kind": "arxiv",
    "version": 2
  }
}