Pith Number

pith:4GE4PCJM

pith:2010:4GE4PCJMYFQRC3SBJ4UXINYQCT

not attested not anchored not stored refs pending

Cryogenic Sapphire Oscillator using a low-vibration design pulse-tube cryocooler: First results

Chao Wang, Jean-Michel le Floch, John G. Hartnett, Nitin R. Nand

arxiv:1004.0488 v1 · 2010-04-04 · 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{4GE4PCJMYFQRC3SBJ4UXINYQCT}

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	2026-05-18T00:58:47.601727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e189c7892cc161116e414f2974371014fd6053cc1d1e03d1a963a6561513e057

Aliases

arxiv: 1004.0488 · arxiv_version: 1004.0488v1 · doi: 10.48550/arxiv.1004.0488 · pith_short_12: 4GE4PCJMYFQR · pith_short_16: 4GE4PCJMYFQRC3SB · pith_short_8: 4GE4PCJM

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/4GE4PCJMYFQRC3SBJ4UXINYQCT \
  | 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: e189c7892cc161116e414f2974371014fd6053cc1d1e03d1a963a6561513e057

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d11580add1cb3b65dc948b7c385a97693b28cf6a39e7c5219eca39009613991",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2010-04-04T06:35:17Z",
    "title_canon_sha256": "a7aa2b812d86b080620a6f098245e04fc039447b42aedbcc79a55b7a6f265c74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.0488",
    "kind": "arxiv",
    "version": 1
  }
}