Pith Number

pith:U26JI7KF

pith:2010:U26JI7KFOUANSJORB2OXRZWEFJ

not attested not anchored not stored refs pending

Can noncommutative effects account for the present speed up of the cosmic expansion?

Israel Quiros, Octavio Obregon

arxiv:1011.3896 v3 · 2010-11-17 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U26JI7KFOUANSJORB2OXRZWEFJ}

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	2026-05-18T04:15:59.480461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6bc947d457500d925d10e9d78e6c42a4fcc9546f11038e121b4feb6ce7f3d42

Aliases

arxiv: 1011.3896 · arxiv_version: 1011.3896v3 · doi: 10.48550/arxiv.1011.3896 · pith_short_12: U26JI7KFOUAN · pith_short_16: U26JI7KFOUANSJOR · pith_short_8: U26JI7KF

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/U26JI7KFOUANSJORB2OXRZWEFJ \
  | 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: a6bc947d457500d925d10e9d78e6c42a4fcc9546f11038e121b4feb6ce7f3d42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c88a2df0360aa721283450557626ce2ee67662341087c1f4837f9bde36e2949c",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2010-11-17T06:45:14Z",
    "title_canon_sha256": "d621c630f48d7c9b3d230b55ff15833803ab67395a2df27e26f5eca056e7352a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.3896",
    "kind": "arxiv",
    "version": 3
  }
}