Pith Number

pith:KMNHFHEB

pith:2009:KMNHFHEBCXBC3JWOYUVHPYVLSP

not attested not anchored not stored refs pending

Vacuum pressure, dark energy and dark matter

Bogus{\l}aw Broda, Micha{\l} Szanecki

arxiv:0906.5078 v4 · 2009-06-27 · 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{KMNHFHEBCXBC3JWOYUVHPYVLSP}

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	2026-05-18T04:05:15.256114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

531a729c8115c22da6cec52a77e2ab93e7d23c14b2e16ad413053d58d3b6d09c

Aliases

arxiv: 0906.5078 · arxiv_version: 0906.5078v4 · doi: 10.48550/arxiv.0906.5078 · pith_short_12: KMNHFHEBCXBC · pith_short_16: KMNHFHEBCXBC3JWO · pith_short_8: KMNHFHEB

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/KMNHFHEBCXBC3JWOYUVHPYVLSP \
  | 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: 531a729c8115c22da6cec52a77e2ab93e7d23c14b2e16ad413053d58d3b6d09c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be65ca12c1a9e849152283d74590a8b120699176f8c5dc646b92b9c279697524",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-06-27T13:22:37Z",
    "title_canon_sha256": "f88ee054dfec14392ef209fe5b5efc24d25461ed1e56cf97567dd84d9766fbfa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.5078",
    "kind": "arxiv",
    "version": 4
  }
}