Pith Number

pith:GXIUSQ4J

pith:2013:GXIUSQ4JR6VAPG4B2JECN4WIBK

not attested not anchored not stored refs pending

CMB Power Asymmetry from Primordial Sound Speed Parameter

Wen Zhao, Yang Zhang, Yi-Fu Cai

arxiv:1307.4090 v1 · 2013-07-15 · astro-ph.CO · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GXIUSQ4JR6VAPG4B2JECN4WIBK}

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	2026-05-18T03:01:56.202842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35d14943898faa079b81d24826f2c80a91dfca57dd68172dae87fda523031054

Aliases

arxiv: 1307.4090 · arxiv_version: 1307.4090v1 · doi: 10.48550/arxiv.1307.4090 · pith_short_12: GXIUSQ4JR6VA · pith_short_16: GXIUSQ4JR6VAPG4B · pith_short_8: GXIUSQ4J

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/GXIUSQ4JR6VAPG4B2JECN4WIBK \
  | 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: 35d14943898faa079b81d24826f2c80a91dfca57dd68172dae87fda523031054

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "098908c93459d092161320b1fd51a87bdb7820a308b75dcc6465b27d68e1e185",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-07-15T20:00:15Z",
    "title_canon_sha256": "da769352406102e1d4808f8d1468549c779d484035f5626a9e4b5f70b2d51b43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4090",
    "kind": "arxiv",
    "version": 1
  }
}