Pith Number

pith:TINXMXVH

pith:2025:TINXMXVHMXTHYRQKNJ7Q4DVH76

not attested not anchored not stored refs pending

Quantum Cosmology and the Age of the Universe

\'Alvaro Mozota Frauca

arxiv:2502.03075 v1 · 2025-02-05 · gr-qc · physics.hist-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{TINXMXVHMXTHYRQKNJ7Q4DVH76}

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	2026-07-05T10:09:59.212486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a1b765ea765e67c460a6a7f0e0ea7ff9bd0997943cfee85e83207c2e69cf207

Aliases

arxiv: 2502.03075 · arxiv_version: 2502.03075v1 · doi: 10.48550/arxiv.2502.03075 · pith_short_12: TINXMXVHMXTH · pith_short_16: TINXMXVHMXTHYRQK · pith_short_8: TINXMXVH

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/TINXMXVHMXTHYRQKNJ7Q4DVH76 \
  | 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: 9a1b765ea765e67c460a6a7f0e0ea7ff9bd0997943cfee85e83207c2e69cf207

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c22a2ffed18e7947a3a7c9d563af049a1db7c59ce29733ba054ca9e6c900535",
    "cross_cats_sorted": [
      "physics.hist-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-02-05T11:10:05Z",
    "title_canon_sha256": "f8da5ff151f577ce79651042cd0e36f552ec139919f70e97bebb1585953a3de1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.03075",
    "kind": "arxiv",
    "version": 1
  }
}