Pith Number

pith:BVMHW4XR

pith:2011:BVMHW4XRFXRWI7XRFUJTHXEE6Y

not attested not anchored not stored refs pending

The Dark Energy Universe

Burra G. Sidharth

arxiv:1111.3877 v2 · 2011-11-15 · physics.gen-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BVMHW4XRFXRWI7XRFUJTHXEE6Y}

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	2026-05-18T02:29:39.449859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d587b72f12de3647ef12d1333dc84f60991325ed32f84ceda7d4e9adfe22758

Aliases

arxiv: 1111.3877 · arxiv_version: 1111.3877v2 · doi: 10.48550/arxiv.1111.3877 · pith_short_12: BVMHW4XRFXRW · pith_short_16: BVMHW4XRFXRWI7XR · pith_short_8: BVMHW4XR

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/BVMHW4XRFXRWI7XRFUJTHXEE6Y \
  | 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: 0d587b72f12de3647ef12d1333dc84f60991325ed32f84ceda7d4e9adfe22758

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ac64618b004d2a2c9b199bba2a276057e99501d5532a7bf02385d812195bebf7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2011-11-15T02:40:40Z",
    "title_canon_sha256": "266b07d5f3d39612b4ada418333dc9476faf9af4edffc00a21884243a310f054"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.3877",
    "kind": "arxiv",
    "version": 2
  }
}