Pith Number

pith:N7IRMFVF

pith:2011:N7IRMFVFDTSLDEM4SRCKDFB2SX

not attested not anchored not stored refs pending

Assessing the viability of successful reconstruction of the dynamics of dark energy using varying fundamental couplings

J. C. R. E. Oliveira, L. Losano, P. P. Avelino, R. Menezes

arxiv:1112.3878 v2 · 2011-12-16 · astro-ph.CO · gr-qc · hep-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{N7IRMFVFDTSLDEM4SRCKDFB2SX}

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	2026-05-18T01:59:06.617977Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fd11616a51ce4b1919c9444a1943a95f0e187c6d6ee73327d31138b53f6f38a

Aliases

arxiv: 1112.3878 · arxiv_version: 1112.3878v2 · doi: 10.48550/arxiv.1112.3878 · pith_short_12: N7IRMFVFDTSL · pith_short_16: N7IRMFVFDTSLDEM4 · pith_short_8: N7IRMFVF

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/N7IRMFVFDTSLDEM4SRCKDFB2SX \
  | 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: 6fd11616a51ce4b1919c9444a1943a95f0e187c6d6ee73327d31138b53f6f38a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db3a978c8e2c03b7e0c6cee30dc9b16f301816e9eb7e3ce3cd50b43c4c1bc05b",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-12-16T16:23:53Z",
    "title_canon_sha256": "9182b54d683ab514aed6d5e90947ed77216dfaced203f6b9d7274a5fe7472598"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.3878",
    "kind": "arxiv",
    "version": 2
  }
}