Pith Number

pith:SKFUOJG2

pith:2025:SKFUOJG2ZBK7KD4CDJH2EBR66O

not attested not anchored not stored refs pending

Improving Cosmic Birefringence Constraints via Delensing

Anto Idicherian Lonappan

arxiv:2503.04708 v2 · 2025-03-06 · 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{SKFUOJG2ZBK7KD4CDJH2EBR66O}

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	2026-07-05T11:31:44.036182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

928b4724dac855f50f821a4fa2063ef3a3c475832dcb773b6fa4b7377ba257aa

Aliases

arxiv: 2503.04708 · arxiv_version: 2503.04708v2 · doi: 10.48550/arxiv.2503.04708 · pith_short_12: SKFUOJG2ZBK7 · pith_short_16: SKFUOJG2ZBK7KD4C · pith_short_8: SKFUOJG2

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/SKFUOJG2ZBK7KD4CDJH2EBR66O \
  | 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: 928b4724dac855f50f821a4fa2063ef3a3c475832dcb773b6fa4b7377ba257aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af51a8390251ad7f132d8b55eff896fc9ae524aebce2de56f18042c392815ecb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-03-06T18:55:46Z",
    "title_canon_sha256": "79471f19ef87bfeff7417a982b64af5fd1a22cbc33a4ca42caea337c8ecac035"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.04708",
    "kind": "arxiv",
    "version": 2
  }
}