Pith Number

pith:IYML53JZ

pith:2014:IYML53JZ7WU4WOZTCQAZYFWXOM

not attested not anchored not stored refs pending

New Constraints on Cosmic Polarization Rotation from B-Mode Polarization in Cosmic Microwave Background

Sperello di Serego Alighieri, Wei-Ping Pan, Wei-Tou Ni

arxiv:1404.1701 v3 · 2014-04-07 · astro-ph.CO · gr-qc · 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{IYML53JZ7WU4WOZTCQAZYFWXOM}

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	2026-05-18T02:45:21.437198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4618beed39fda9cb3b3314019c16d773150b5a38ec59f4d6beb9a2261655cf50

Aliases

arxiv: 1404.1701 · arxiv_version: 1404.1701v3 · doi: 10.48550/arxiv.1404.1701 · pith_short_12: IYML53JZ7WU4 · pith_short_16: IYML53JZ7WU4WOZT · pith_short_8: IYML53JZ

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/IYML53JZ7WU4WOZTCQAZYFWXOM \
  | 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: 4618beed39fda9cb3b3314019c16d773150b5a38ec59f4d6beb9a2261655cf50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "331560fbfc3ef693f69dd10e089a88c372090e1a283a03163bad7640fb6ce747",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-04-07T09:15:39Z",
    "title_canon_sha256": "174bc136b61fb471d9fec111f5c6ba29418ab3c905c879b8b86addff1c9560f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.1701",
    "kind": "arxiv",
    "version": 3
  }
}