Pith Number

pith:BNKK63IU

pith:2019:BNKK63IUBSRNTZRGKSWESLNTBL

not attested not anchored not stored refs pending

Future CMB constraints on cosmic birefringence and implications for fundamental physics

Brian Keating, Levon Pogosian, Matthew Mewes, Meir Shimon

arxiv:1904.07855 v2 · 2019-04-16 · astro-ph.CO · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BNKK63IUBSRNTZRGKSWESLNTBL}

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.

Cited by

1 paper in Pith

BROOM: a python package for model-independent analysis of microwave astronomical data

Receipt and verification

First computed	2026-05-17T23:40:32.579696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b54af6d140ca2d9e62654ac492db30ac47f732dbbfa8ea5dedfa746598cbb10

Aliases

arxiv: 1904.07855 · arxiv_version: 1904.07855v2 · doi: 10.48550/arxiv.1904.07855 · pith_short_12: BNKK63IUBSRN · pith_short_16: BNKK63IUBSRNTZRG · pith_short_8: BNKK63IU

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/BNKK63IUBSRNTZRGKSWESLNTBL \
  | 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: 0b54af6d140ca2d9e62654ac492db30ac47f732dbbfa8ea5dedfa746598cbb10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a929685963002d18223175c0095e1af2de88f20c7fb2a7a646e8f4276ee21f4",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-04-16T17:59:30Z",
    "title_canon_sha256": "2045d67534f0e38ff3ccaa93d653d041d5325511865f96d9262c6711a5cc326b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.07855",
    "kind": "arxiv",
    "version": 2
  }
}