Pith Number

pith:IDA3OQJS

pith:2019:IDA3OQJSS5VK4T74CTUP4CEYOS

not attested not anchored not stored refs pending

The physical origin of the cosmological constant: continuum limit and the analogy with the Casimir effect

Stefano Viaggiu

arxiv:1908.06023 v2 · 2019-08-15 · gr-qc · astro-ph.CO · 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{IDA3OQJSS5VK4T74CTUP4CEYOS}

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	2026-07-04T23:59:08.519886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40c1b74132976aae4ffc14e8fe089874b88e86614451404e3747a8983d4f58c3

Aliases

arxiv: 1908.06023 · arxiv_version: 1908.06023v2 · doi: 10.48550/arxiv.1908.06023 · pith_short_12: IDA3OQJSS5VK · pith_short_16: IDA3OQJSS5VK4T74 · pith_short_8: IDA3OQJS

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/IDA3OQJSS5VK4T74CTUP4CEYOS \
  | 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: 40c1b74132976aae4ffc14e8fe089874b88e86614451404e3747a8983d4f58c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58dbd8ca479535c39f851862c14444dfa7c8b7e0ae38495ad2da885d5c7b5c03",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-08-15T11:26:50Z",
    "title_canon_sha256": "a1384e49cee9b4052fce12471ed8dc3787bbf4cc61b0ba7cc6568cc47bd9600d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06023",
    "kind": "arxiv",
    "version": 2
  }
}