Pith Number

pith:ECYCBCSC

pith:2003:ECYCBCSC3ZEUPSZN2PMC5XMIWM

not attested not anchored not stored refs pending

A Cosmic Microwave Background Radiation Polarimeter Using Superconducting Bearings

B. Johnson, J. R. Hull, K. B. Ma, S. Hanany, T. Jones, T. Matsumura

arxiv:astro-ph/0304312 v1 · 2003-04-16 · 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{ECYCBCSC3ZEUPSZN2PMC5XMIWM}

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	2026-05-18T00:58:27.029295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20b0208a42de4947cb2dd3d82edd88b329bde6c79d78f276018048e529074e91

Aliases

arxiv: astro-ph/0304312 · arxiv_version: astro-ph/0304312v1 · doi: 10.48550/arxiv.astro-ph/0304312 · pith_short_12: ECYCBCSC3ZEU · pith_short_16: ECYCBCSC3ZEUPSZN · pith_short_8: ECYCBCSC

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/ECYCBCSC3ZEUPSZN2PMC5XMIWM \
  | 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: 20b0208a42de4947cb2dd3d82edd88b329bde6c79d78f276018048e529074e91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b945f2748c145f01932ca19b7222ebe10c4f2c905c7f8f60f77bc31a91b67d35",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-04-16T17:26:38Z",
    "title_canon_sha256": "8a500f7ee3e99f93c71cc4787c3b8acfa6050dedac88a86bb3b8a764d822d848"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0304312",
    "kind": "arxiv",
    "version": 1
  }
}