Pith Number

pith:CHXGMZKC

pith:2021:CHXGMZKCMK75FTOSXKVOLWITTE

not attested not anchored not stored refs pending

Data Acquisition System for a Distributed Smartphone Cosmic Ray Observatory

Chase Shimmin, Daniel Whiteson, Jeff Swaney

arxiv:2108.04803 v1 · 2021-08-10 · astro-ph.IM · astro-ph.HE · physics.ins-det

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CHXGMZKCMK75FTOSXKVOLWITTE}

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	2026-07-05T03:04:34.238663Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11ee66654262bfd2cdd2baaae5d913991eaef09c1de08c291d519457186d675d

Aliases

arxiv: 2108.04803 · arxiv_version: 2108.04803v1 · doi: 10.48550/arxiv.2108.04803 · pith_short_12: CHXGMZKCMK75 · pith_short_16: CHXGMZKCMK75FTOS · pith_short_8: CHXGMZKC

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/CHXGMZKCMK75FTOSXKVOLWITTE \
  | 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: 11ee66654262bfd2cdd2baaae5d913991eaef09c1de08c291d519457186d675d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03154034f40326ea23e75a9044029c2b20839fc2b4fb4548cd952f7f9a1c69e0",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-08-10T17:46:45Z",
    "title_canon_sha256": "fbfddcb8a5d85ae042cc088678e2908a2588c0f31e8b5c65a98aa4f75094956d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.04803",
    "kind": "arxiv",
    "version": 1
  }
}