Pith Number

pith:3MZ4SXOU

pith:2018:3MZ4SXOUKCGKRTZIMTYZ3MJYKS

not attested not anchored not stored refs pending

Fine-Tuning, Complexity, and Life in the Multiverse

Las Vegas), Mario Livio (University of Nevada, Martin J. Rees (Institute of Astronomy, University of Cambridge)

arxiv:1801.06944 v1 · 2018-01-22 · physics.hist-ph · astro-ph.CO · astro-ph.GA · physics.pop-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{3MZ4SXOUKCGKRTZIMTYZ3MJYKS}

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	2026-05-18T00:25:22.728282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db33c95dd4508ca8cf2864f19db13854a712d0e281fa9579cf31202758700c6f

Aliases

arxiv: 1801.06944 · arxiv_version: 1801.06944v1 · doi: 10.48550/arxiv.1801.06944 · pith_short_12: 3MZ4SXOUKCGK · pith_short_16: 3MZ4SXOUKCGKRTZI · pith_short_8: 3MZ4SXOU

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/3MZ4SXOUKCGKRTZIMTYZ3MJYKS \
  | 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: db33c95dd4508ca8cf2864f19db13854a712d0e281fa9579cf31202758700c6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "922f3c2efa5a31d7c974f6e595f0cd235311cba31548483bd7f7a52226ed3ff5",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA",
      "physics.pop-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2018-01-22T03:39:52Z",
    "title_canon_sha256": "22cb8c1beb3733a94f14de94b2a20c79a57127a44aacba0d32a973825b8bc2bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.06944",
    "kind": "arxiv",
    "version": 1
  }
}