pith. sign in
Pith Number

pith:PV7ADVGJ

pith:2009:PV7ADVGJESC3TCHYKHIAYYCXB6
not attested not anchored not stored refs pending

A Possible Connection Between Massive Fermions and Dark Energy

B.H.J. McKellar, G.J. Stephenson Jr., P.M. Alsing, T. Goldman

arxiv:0905.4308 v1 · 2009-05-27 · hep-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PV7ADVGJESC3TCHYKHIAYYCXB6}

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 2026-05-18T00:59:28.627365Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7d7e01d4c92485b988f851d00c60570fb6921353d558d1bf79ef0b75b0b4adb3

Aliases

arxiv: 0905.4308 · arxiv_version: 0905.4308v1 · doi: 10.48550/arxiv.0905.4308 · pith_short_12: PV7ADVGJESC3 · pith_short_16: PV7ADVGJESC3TCHY · pith_short_8: PV7ADVGJ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PV7ADVGJESC3TCHYKHIAYYCXB6 \
  | 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: 7d7e01d4c92485b988f851d00c60570fb6921353d558d1bf79ef0b75b0b4adb3
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "bf0deac2c03841889cfee4d9a037b1023c623f7e5c6587c0d9711342435b69de",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2009-05-27T01:15:34Z",
    "title_canon_sha256": "905fbe077ebdb2ce71dfd395fb2b9418065cd8cf735b0688239e1746a82f7020"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.4308",
    "kind": "arxiv",
    "version": 1
  }
}