Pith Number

pith:4DZCFDOB

pith:2024:4DZCFDOBGCQCZ3ZPYHZHQNNDK2

not attested not anchored not stored refs pending

The Square Kilometer Array as a Cosmic Microwave Background Experiment

David Zegeye, Jens Chluba, Keith Grainge, Mathieu Remazeilles, Thomas Crawford

arxiv:2406.04326 v1 · 2024-06-06 · 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{4DZCFDOBGCQCZ3ZPYHZHQNNDK2}

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	2026-07-05T08:28:29.488948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0f2228dc130a02cef2fc1f27835a3568f9553f3eee4e65938b2a0833becb850

Aliases

arxiv: 2406.04326 · arxiv_version: 2406.04326v1 · doi: 10.48550/arxiv.2406.04326 · pith_short_12: 4DZCFDOBGCQC · pith_short_16: 4DZCFDOBGCQCZ3ZP · pith_short_8: 4DZCFDOB

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/4DZCFDOBGCQCZ3ZPYHZHQNNDK2 \
  | 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: e0f2228dc130a02cef2fc1f27835a3568f9553f3eee4e65938b2a0833becb850

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6523a077f955faecee2204a99b460c49669c9edce8fb9b0a0b4bc9b28e05b95",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2024-06-06T17:58:56Z",
    "title_canon_sha256": "86e2aabdd7123e5ff4e5dde8568862a3588f35b508b312c1c5271b1242b1b3ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2406.04326",
    "kind": "arxiv",
    "version": 1
  }
}