Pith Number

pith:NYGRYWDL

pith:2023:NYGRYWDLEQQI52ZMQVFYHXNGMD

not attested not anchored not stored refs pending

Cosmic birefringence tomography with polarized Sunyaev Zel'dovich effect

Ippei Obata, Toshiya Namikawa

arxiv:2306.08875 v2 · 2023-06-15 · 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{NYGRYWDLEQQI52ZMQVFYHXNGMD}

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	2026-07-05T09:54:23.223862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e0d1c586b24208eeb2c854b83dda660ce620d051ec73f8ccfa85ead36e18cd7

Aliases

arxiv: 2306.08875 · arxiv_version: 2306.08875v2 · doi: 10.48550/arxiv.2306.08875 · pith_short_12: NYGRYWDLEQQI · pith_short_16: NYGRYWDLEQQI52ZM · pith_short_8: NYGRYWDL

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/NYGRYWDLEQQI52ZMQVFYHXNGMD \
  | 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: 6e0d1c586b24208eeb2c854b83dda660ce620d051ec73f8ccfa85ead36e18cd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06aecf0ebc51a3e13ec58bea4132a1ecc90b092b5ec7b9b85c203683ea0f76d9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2023-06-15T06:16:43Z",
    "title_canon_sha256": "5c9f20b645f89a07b455cea03673bf4299a7d2c00051dffe32ac196a749c5a66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.08875",
    "kind": "arxiv",
    "version": 2
  }
}