Pith Number

pith:5F6HSNNI

pith:2018:5F6HSNNIPLMNRJ24UJOHLKVYNE

not attested not anchored not stored refs pending

A small non-vanishing cosmological constant from the Krein-Gupta-Bleuler vacuum

Hamed Pejhan, Kazuharu Bamba, Mohammad Enayati, Surena Rahbardehghan

arxiv:1808.02728 v2 · 2018-08-08 · 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{5F6HSNNIPLMNRJ24UJOHLKVYNE}

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	2026-05-18T00:05:29.954061Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e97c7935a87ad8d8a75ca25c75aab8690ea93126ca5c3428a8431ec8c210ee31

Aliases

arxiv: 1808.02728 · arxiv_version: 1808.02728v2 · doi: 10.48550/arxiv.1808.02728 · pith_short_12: 5F6HSNNIPLMN · pith_short_16: 5F6HSNNIPLMNRJ24 · pith_short_8: 5F6HSNNI

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/5F6HSNNIPLMNRJ24UJOHLKVYNE \
  | 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: e97c7935a87ad8d8a75ca25c75aab8690ea93126ca5c3428a8431ec8c210ee31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97340be97c0aab3a28c892fdc7ff348aa7b0d8effc57d01a55284b6a7ffef532",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-08-08T11:39:43Z",
    "title_canon_sha256": "d4de41665a618dc0ed8ce3c6750891fb862fee3960b20370d6b1cd8b48323e63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02728",
    "kind": "arxiv",
    "version": 2
  }
}