Pith Number

pith:R5UWYDFD

pith:2016:R5UWYDFDN3RUQ2RS7OCXJS652Z

not attested not anchored not stored refs pending

Polarization of Cosmic Microwave Background

Alessandro Buzzelli, Giancarlo De Gasperis, Nicola Vittorio, Paolo Cabella

arxiv:1604.02062 v1 · 2016-04-07 · 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{R5UWYDFDN3RUQ2RS7OCXJS652Z}

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	2026-05-18T01:17:31.337612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f696c0ca36ee3486a32fb8574cbddd64666d2e98283e00d9336328149193b73

Aliases

arxiv: 1604.02062 · arxiv_version: 1604.02062v1 · doi: 10.48550/arxiv.1604.02062 · pith_short_12: R5UWYDFDN3RU · pith_short_16: R5UWYDFDN3RUQ2RS · pith_short_8: R5UWYDFD

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/R5UWYDFDN3RUQ2RS7OCXJS652Z \
  | 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: 8f696c0ca36ee3486a32fb8574cbddd64666d2e98283e00d9336328149193b73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d1ef869e0b85760208fb026d4356d0618d883fe13a4431342ee631774e1f172",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2016-04-07T16:26:34Z",
    "title_canon_sha256": "ef079df41f4430bb26eeb4d6b38e8a64d1d5e651d75176af3d730b68a2ea8bcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.02062",
    "kind": "arxiv",
    "version": 1
  }
}