Pith Number

pith:3I5UCLWL

pith:2024:3I5UCLWLQPSTEOSVTXXLZAM2DY

not attested not anchored not stored refs pending

Tomographic constraint on anisotropic cosmic birefringence

Toshiya Namikawa

arxiv:2410.05149 v2 · 2024-10-07 · 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{3I5UCLWLQPSTEOSVTXXLZAM2DY}

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	2026-07-05T10:22:51.719961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da3b412ecb83e5323a559deebc819a1e372689e5716aa130d0b0ec7396015254

Aliases

arxiv: 2410.05149 · arxiv_version: 2410.05149v2 · doi: 10.48550/arxiv.2410.05149 · pith_short_12: 3I5UCLWLQPST · pith_short_16: 3I5UCLWLQPSTEOSV · pith_short_8: 3I5UCLWL

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/3I5UCLWLQPSTEOSVTXXLZAM2DY \
  | 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: da3b412ecb83e5323a559deebc819a1e372689e5716aa130d0b0ec7396015254

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2273519f8e2ca7338ad31c4682b6db9f08d4ee02de19d292c5ff972ef93018f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2024-10-07T16:03:39Z",
    "title_canon_sha256": "62399c6e95cbe3d1ce404331cf7ae14827e5a9cd863a559ba2d9b67e1a7acc1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2410.05149",
    "kind": "arxiv",
    "version": 2
  }
}