Pith Number

pith:7APEGN5Q

pith:2019:7APEGN5Q4VWT75HDIOPFZZLCKK

not attested not anchored not stored refs pending

Cryogenic low power CMOS analog buffer at 4.2K

Chao Luo, GuoPing Guo, Jun Xu, Tengteng Lu, Yajie Huang, Zhen Li

arxiv:1905.09560 v1 · 2019-05-23 · physics.app-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{7APEGN5Q4VWT75HDIOPFZZLCKK}

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	2026-05-17T23:45:16.737578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f81e4337b0e56d3ff4e3439e5ce562529114bc01075e206e955a14cac17c9f15

Aliases

arxiv: 1905.09560 · arxiv_version: 1905.09560v1 · doi: 10.48550/arxiv.1905.09560 · pith_short_12: 7APEGN5Q4VWT · pith_short_16: 7APEGN5Q4VWT75HD · pith_short_8: 7APEGN5Q

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/7APEGN5Q4VWT75HDIOPFZZLCKK \
  | 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: f81e4337b0e56d3ff4e3439e5ce562529114bc01075e206e955a14cac17c9f15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff65c202137f23a083fcfbe018689c9bf8e1f0cee260c612e94c3c8e401ead8c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2019-05-23T09:51:27Z",
    "title_canon_sha256": "c28c46d811f3adcb4406aca405bf8733dc6aba9ce58312f3a9fe74856b5a202e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.09560",
    "kind": "arxiv",
    "version": 1
  }
}