Pith Number

pith:3IA2H5ZL

pith:2017:3IA2H5ZLAVNKVFNNIZRGNE7RNG

not attested not anchored not stored refs pending

A quantum Friedmann flat spacetime: Uncertainty Relations, Thermodynamics and some cosmological consequences

Stefano Viaggiu

arxiv:1712.09125 v1 · 2017-12-25 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3IA2H5ZLAVNKVFNNIZRGNE7RNG}

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	2026-05-17T23:52:44.367178Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da01a3f72b055aaa95ad46626693f1699c39dca2673079258a6ea7b1b2c67897

Aliases

arxiv: 1712.09125 · arxiv_version: 1712.09125v1 · doi: 10.48550/arxiv.1712.09125 · pith_short_12: 3IA2H5ZLAVNK · pith_short_16: 3IA2H5ZLAVNKVFNN · pith_short_8: 3IA2H5ZL

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/3IA2H5ZLAVNKVFNNIZRGNE7RNG \
  | 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: da01a3f72b055aaa95ad46626693f1699c39dca2673079258a6ea7b1b2c67897

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d00aa0bc7f622e0f44180dafd03dc655e885fddc7433e05bbf5754f9a4e3a8d3",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-12-25T20:12:29Z",
    "title_canon_sha256": "1093724439ed6fdc847d552fd267371e24061d9205dc24831bfc494267edddb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.09125",
    "kind": "arxiv",
    "version": 1
  }
}