Pith Number

pith:GTYD5DZR

pith:2011:GTYD5DZRLQRH7G2AWJW5ENGSBW

not attested not anchored not stored refs pending

Cross-Correlation of Cosmological Birefringence with CMB Temperature

Marc Kamionkowski, Robert R. Caldwell, Vera Gluscevic

arxiv:1104.1634 v1 · 2011-04-08 · 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{GTYD5DZRLQRH7G2AWJW5ENGSBW}

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	2026-05-18T04:15:05.347253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34f03e8f315c227f9b40b26dd234d20d96c8078358391c957e671a42ce05bb9e

Aliases

arxiv: 1104.1634 · arxiv_version: 1104.1634v1 · doi: 10.48550/arxiv.1104.1634 · pith_short_12: GTYD5DZRLQRH · pith_short_16: GTYD5DZRLQRH7G2A · pith_short_8: GTYD5DZR

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/GTYD5DZRLQRH7G2AWJW5ENGSBW \
  | 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: 34f03e8f315c227f9b40b26dd234d20d96c8078358391c957e671a42ce05bb9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "704e61761a91da55c0136b44a8a4f437db202872201d00c344a7d50c28655713",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-04-08T20:00:02Z",
    "title_canon_sha256": "b4883a5e004df9ade83d5518dd36068e092e269d67e968341c07a657a9d780c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.1634",
    "kind": "arxiv",
    "version": 1
  }
}