Pith Number

pith:AQPX7XHA

pith:2012:AQPX7XHAWHGIP5CRYVULLSBQJC

not attested not anchored not stored refs pending

Effect of cosmic backreaction on the future evolution of an accelerating universe

A. S. Majumdar, Nilok Bose

arxiv:1203.0125 v2 · 2012-03-01 · 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{AQPX7XHAWHGIP5CRYVULLSBQJC}

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	2026-05-18T02:47:23.315660Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

041f7fdce0b1cc87f451c568b5c83048a073cb23ed33495157b9730fd1fd2bba

Aliases

arxiv: 1203.0125 · arxiv_version: 1203.0125v2 · doi: 10.48550/arxiv.1203.0125 · pith_short_12: AQPX7XHAWHGI · pith_short_16: AQPX7XHAWHGIP5CR · pith_short_8: AQPX7XHA

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/AQPX7XHAWHGIP5CRYVULLSBQJC \
  | 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: 041f7fdce0b1cc87f451c568b5c83048a073cb23ed33495157b9730fd1fd2bba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ece165c40fcb2ff34cfdfaa0ecbc03c2cfe97999eccac36130a9a6da34e53d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-03-01T09:36:39Z",
    "title_canon_sha256": "a6f36a8ebd52a1eedfc65c26663da3a3961d72e7fd304724490475ee708ac53a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.0125",
    "kind": "arxiv",
    "version": 2
  }
}