Pith Number

pith:QT2GP5O3

pith:2016:QT2GP5O3DMIGVVQQCUCFUTAPVC

not attested not anchored not stored refs pending

Uniformly expanding vacuum: a possible interpretation of the dark energy

Fang-Fang Yuan, Peng Huang

arxiv:1602.06642 v2 · 2016-02-22 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QT2GP5O3DMIGVVQQCUCFUTAPVC}

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	2026-05-18T01:20:07.703239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84f467f5db1b106ad61015045a4c0fa8b51ac09a7ee02cb778747cf9e65b2543

Aliases

arxiv: 1602.06642 · arxiv_version: 1602.06642v2 · doi: 10.48550/arxiv.1602.06642 · pith_short_12: QT2GP5O3DMIG · pith_short_16: QT2GP5O3DMIGVVQQ · pith_short_8: QT2GP5O3

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/QT2GP5O3DMIGVVQQCUCFUTAPVC \
  | 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: 84f467f5db1b106ad61015045a4c0fa8b51ac09a7ee02cb778747cf9e65b2543

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f907e8bf8b89d7325c37192de39561c02f83ec5e96df179680f8bfcbec30299b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2016-02-22T04:10:19Z",
    "title_canon_sha256": "f038e9232b8b50850716724bb91881f16b3a5a4e127385289c44e7d27dfaae03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.06642",
    "kind": "arxiv",
    "version": 2
  }
}