Pith Number

pith:H3NTX6AE

pith:2012:H3NTX6AEM4T4KGMMUK2QYIRX7D

not attested not anchored not stored refs pending

Confronting the sound speed of dark energy with future cluster surveys

Ole Eggers Bjaelde, Steen Hannestad, Tobias Basse, Yvonne Y. Y. Wong

arxiv:1205.0548 v1 · 2012-05-02 · 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{H3NTX6AEM4T4KGMMUK2QYIRX7D}

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	2026-05-18T03:56:33.655138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3edb3bf8046727c5198ca2b50c2237f8f8c771d2c91240b1f38e10b65e3a2cba

Aliases

arxiv: 1205.0548 · arxiv_version: 1205.0548v1 · doi: 10.48550/arxiv.1205.0548 · pith_short_12: H3NTX6AEM4T4 · pith_short_16: H3NTX6AEM4T4KGMM · pith_short_8: H3NTX6AE

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/H3NTX6AEM4T4KGMMUK2QYIRX7D \
  | 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: 3edb3bf8046727c5198ca2b50c2237f8f8c771d2c91240b1f38e10b65e3a2cba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a9d55c8d9f0f40505700b5966ed4465155b4689603b770f6a220d65156be7a4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-05-02T20:00:02Z",
    "title_canon_sha256": "cbab2468eb7026953f269ca18be5add869b97e6942b9c4a23101a6defce99888"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.0548",
    "kind": "arxiv",
    "version": 1
  }
}