Pith Number

pith:VRL2PFVB

pith:2026:VRL2PFVBYRPZRY2YPIQWCUB7QY

not attested not anchored not stored refs pending

Commissioning and first results from the Cold Radon Emanation Facility

Andrew Stevens, Chamkaur Ghag, Emily Perry, Mark Tucker, Maurits van der Grinten, Ruben Saakyan, Umit Utku

arxiv:2607.22870 v1 · 2026-07-24 · 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{VRL2PFVBYRPZRY2YPIQWCUB7QY}

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	2026-07-28T00:21:59.437584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac57a796a1c45f98e3587a2161503f8623afc4d9459a51c0ebaa865c2eb9020f

Aliases

arxiv: 2607.22870 · arxiv_version: 2607.22870v1 · doi: 10.48550/arxiv.2607.22870 · pith_short_12: VRL2PFVBYRPZ · pith_short_16: VRL2PFVBYRPZRY2Y · pith_short_8: VRL2PFVB

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/VRL2PFVBYRPZRY2YPIQWCUB7QY \
  | 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: ac57a796a1c45f98e3587a2161503f8623afc4d9459a51c0ebaa865c2eb9020f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1d90bb223659c1f9757c4f80fd32ffdd7b0df2206f3fa660b9723be9451bd40",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2026-07-24T19:19:39Z",
    "title_canon_sha256": "2e5a29e848556a8213a7049088f6028fd8a88bae37c30a2839dd430b829265b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.22870",
    "kind": "arxiv",
    "version": 1
  }
}