Pith Number

pith:AEOLJEQ4

pith:2011:AEOLJEQ4OUMLCL7A5OOGRNZ2VP

not attested not anchored not stored refs pending

A Different Look at Dark Energy and the Time Variation of Fundamental Constants

Marvin Weinstein

arxiv:1101.2177 v1 · 2011-01-11 · astro-ph.CO · gr-qc · 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{AEOLJEQ4OUMLCL7A5OOGRNZ2VP}

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	2026-05-18T04:31:43.306360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

011cb4921c7518b12fe0eb9c68b73aabe53e16aab1e54a0bc4f7ec0e6afac01c

Aliases

arxiv: 1101.2177 · arxiv_version: 1101.2177v1 · doi: 10.48550/arxiv.1101.2177 · pith_short_12: AEOLJEQ4OUML · pith_short_16: AEOLJEQ4OUMLCL7A · pith_short_8: AEOLJEQ4

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/AEOLJEQ4OUMLCL7A5OOGRNZ2VP \
  | 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: 011cb4921c7518b12fe0eb9c68b73aabe53e16aab1e54a0bc4f7ec0e6afac01c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd658e374a322c47b6d47ab81d8685174ae3c28f8910994245571b3834de4ac3",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-01-11T18:41:48Z",
    "title_canon_sha256": "58dc8552e95adceec9dcac49a6cbc9bd3e26232585f4a88f48517ace4ca54e50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.2177",
    "kind": "arxiv",
    "version": 1
  }
}