Pith Number

pith:G7MMPARB

pith:1998:G7MMPARBK4ZPRYU7SECJEDY7ZP

not attested not anchored not stored refs pending

Optimised polarimeter configurations for measuring the Stokes parameters of the Cosmic Microwave Background Radiation

B. Revenu, F. Couchot, J. Delabrouille, J. Kaplan

arxiv:astro-ph/9807080 v4 · 1998-07-08 · astro-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{G7MMPARBK4ZPRYU7SECJEDY7ZP}

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	2026-05-18T04:21:40.116595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37d8c782215732f8e29f9104920f1fcbc643acf752da4aaa31d9ec693ec87904

Aliases

arxiv: astro-ph/9807080 · arxiv_version: astro-ph/9807080v4 · doi: 10.48550/arxiv.astro-ph/9807080 · pith_short_12: G7MMPARBK4ZP · pith_short_16: G7MMPARBK4ZPRYU7 · pith_short_8: G7MMPARB

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/G7MMPARBK4ZPRYU7SECJEDY7ZP \
  | 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: 37d8c782215732f8e29f9104920f1fcbc643acf752da4aaa31d9ec693ec87904

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60fac2dfb045874025e370f23ae9370e08b26df532309c7ad0e935578769ad1c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-07-08T18:36:24Z",
    "title_canon_sha256": "cb536ee5a37be9be7b09ec2ed5ca99382d37356440bd3a4485449c6b3e5a8943"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9807080",
    "kind": "arxiv",
    "version": 4
  }
}