Pith Number

pith:2CMLMBLE

pith:2020:2CMLMBLESS47Z5MGMRYYIGBCIH

not attested not anchored not stored refs pending

ACOUSTIC-TURF: Acoustic-based Privacy-Preserving COVID-19 Contact Tracing

Adam C. Champion, Chaoshun Zuo, Cheng Zhang, Dong Xuan, Ness Shroff, Yunqi Zhang, Yuxiang Luo, Zhiqiang Lin

arxiv:2006.13362 v1 · 2020-06-23 · cs.CR · cs.NI · cs.SD · cs.SI · eess.AS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2CMLMBLESS47Z5MGMRYYIGBCIH}

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	2026-07-05T01:13:15.099668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d098b6056494b9fcf586647184182241e2bf35196514d19c05ee96936c6dc5d6

Aliases

arxiv: 2006.13362 · arxiv_version: 2006.13362v1 · doi: 10.48550/arxiv.2006.13362 · pith_short_12: 2CMLMBLESS47 · pith_short_16: 2CMLMBLESS47Z5MG · pith_short_8: 2CMLMBLE

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/2CMLMBLESS47Z5MGMRYYIGBCIH \
  | 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: d098b6056494b9fcf586647184182241e2bf35196514d19c05ee96936c6dc5d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "215b9aec7bb04a0ebc3bf043d2a5f7cdb0f13c14a251d2127a93a304b00fd575",
    "cross_cats_sorted": [
      "cs.NI",
      "cs.SD",
      "cs.SI",
      "eess.AS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2020-06-23T22:17:36Z",
    "title_canon_sha256": "7f56763ce3fadc273ec10dbbc76f9e620f75c19f8c51ca5ff528e4c4229ed12d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.13362",
    "kind": "arxiv",
    "version": 1
  }
}