Pith Number

pith:P2O55LX3

pith:2023:P2O55LX3FO67F3T6IGOUSZMQHI

not attested not anchored not stored refs pending

Untying the growth index to relieve the $\sigma_8$ discomfort

Ziad Sakr

arxiv:2305.02863 v3 · 2023-05-04 · 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{P2O55LX3FO67F3T6IGOUSZMQHI}

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	2026-07-05T06:39:53.417074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e9ddeaefb2bbdf2ee7e419d4965903a0093caf3f5382da5550e68040537d875

Aliases

arxiv: 2305.02863 · arxiv_version: 2305.02863v3 · doi: 10.48550/arxiv.2305.02863 · pith_short_12: P2O55LX3FO67 · pith_short_16: P2O55LX3FO67F3T6 · pith_short_8: P2O55LX3

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/P2O55LX3FO67F3T6IGOUSZMQHI \
  | 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: 7e9ddeaefb2bbdf2ee7e419d4965903a0093caf3f5382da5550e68040537d875

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38203dafc26f2bc49a1e15f53fef7e4abcbbe3d82f61bdf2522c7e6dbadce2ce",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2023-05-04T14:21:48Z",
    "title_canon_sha256": "147ba75e208aa9dff0b7d4158dbcfbe60428cd8c9ba592119007debb2a4675f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.02863",
    "kind": "arxiv",
    "version": 3
  }
}