Pith Number

pith:CBFCCIKS

pith:2012:CBFCCIKSMV3ZHRO4FLSSCN26XD

not attested not anchored not stored refs pending

Constraints of Dark Energy at High Redshift

Qiping Su, Rong-Gen Cai

arxiv:1204.3393 v2 · 2012-04-16 · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CBFCCIKSMV3ZHRO4FLSSCN26XD}

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	2026-05-18T02:44:32.612952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

104a212152657793c5dc2ae521375eb8dfbf9fde0b1ee56499a4add3a411c686

Aliases

arxiv: 1204.3393 · arxiv_version: 1204.3393v2 · doi: 10.48550/arxiv.1204.3393 · pith_short_12: CBFCCIKSMV3Z · pith_short_16: CBFCCIKSMV3ZHRO4 · pith_short_8: CBFCCIKS

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/CBFCCIKSMV3ZHRO4FLSSCN26XD \
  | 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: 104a212152657793c5dc2ae521375eb8dfbf9fde0b1ee56499a4add3a411c686

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05a123a52471965d85cd4a3e892426855c7d86875cd02d16e159c178cb112e25",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-04-16T08:05:09Z",
    "title_canon_sha256": "0da0ea9c2ff34b306e83eac634ee0c5a0056aadaa73a771c79e67748e4622fce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.3393",
    "kind": "arxiv",
    "version": 2
  }
}