Pith Number

pith:E3D7LLOW

pith:2012:E3D7LLOWFQQGPMGOAN4U7ZJJNT

not attested not anchored not stored refs pending

The Oddly Quiet Universe: How the CMB challenges cosmology's standard model

Craig J. Copi, Dominik Schwarz, Dragan Huterer, Glenn D. Starkman

arxiv:1201.2459 v1 · 2012-01-12 · 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{E3D7LLOWFQQGPMGOAN4U7ZJJNT}

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	2026-05-18T04:04:44.374748Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26c7f5add62c2067b0ce03794fe5296cebb15279b6481805ac1c4526ecbd3b16

Aliases

arxiv: 1201.2459 · arxiv_version: 1201.2459v1 · doi: 10.48550/arxiv.1201.2459 · pith_short_12: E3D7LLOWFQQG · pith_short_16: E3D7LLOWFQQGPMGO · pith_short_8: E3D7LLOW

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/E3D7LLOWFQQGPMGOAN4U7ZJJNT \
  | 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: 26c7f5add62c2067b0ce03794fe5296cebb15279b6481805ac1c4526ecbd3b16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab5247da8f25f34c1e66c006d78fcf0f21eec8ca415ec31e8207c4b352eb2da6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-01-12T01:20:32Z",
    "title_canon_sha256": "d80cc266da7ac17400fa548ff1069f27678abf85070a7a6e3b4edb2220de3505"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2459",
    "kind": "arxiv",
    "version": 1
  }
}