Pith Number

pith:F5MZL2VU

pith:2016:F5MZL2VUKKAXZWHDETVWVP2B36

not attested not anchored not stored refs pending

A note on the birefringence angle estimation in CMB data analysis

Alessandro Gruppuso, Diego Molinari, Gianmarco Maggio, Paolo Natoli

arxiv:1604.05202 v2 · 2016-04-18 · 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{F5MZL2VUKKAXZWHDETVWVP2B36}

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	2026-05-18T01:13:47.796149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f5995eab452817cd8e324eb6abf41dfadc5b6a04922dcf8ed390f598427dcc4

Aliases

arxiv: 1604.05202 · arxiv_version: 1604.05202v2 · doi: 10.48550/arxiv.1604.05202 · pith_short_12: F5MZL2VUKKAX · pith_short_16: F5MZL2VUKKAXZWHD · pith_short_8: F5MZL2VU

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/F5MZL2VUKKAXZWHDETVWVP2B36 \
  | 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: 2f5995eab452817cd8e324eb6abf41dfadc5b6a04922dcf8ed390f598427dcc4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b59c73669979c7e72228e9b458609a3f15a7f633b3dbe23b93e0bf3b12f88cf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-04-18T15:18:33Z",
    "title_canon_sha256": "3245334d97532a20da244ceefc1fdec8c0b6a3ae1d4626ae1b02a7b1fb54c640"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.05202",
    "kind": "arxiv",
    "version": 2
  }
}