Pith Number

pith:J6QNUCDF

pith:2020:J6QNUCDFTI5VOV3F2QOBBZJB2B

not attested not anchored not stored refs pending

Proximity Sensing: Modeling and Understanding Noisy RSSI-BLE Signals and Other Mobile Sensor Data for Digital Contact Tracing

Abhishek Singh, Ayush Chopra, Kevin P. McPherson, Myungsun Kang, Parth Patwa, Ramesh Raskar, Rishank Kanaparti, Rohan Sukumaran, Sheshank Shankar

arxiv:2009.04991 v3 · 2020-09-04 · eess.SP · cs.CY · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J6QNUCDFTI5VOV3F2QOBBZJB2B}

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	2026-07-05T02:02:06.222069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fa0da08659a3b575765d41c10e521d07ab4f6d3df01fdc6ef52bbf2bf3ab83d

Aliases

arxiv: 2009.04991 · arxiv_version: 2009.04991v3 · doi: 10.48550/arxiv.2009.04991 · pith_short_12: J6QNUCDFTI5V · pith_short_16: J6QNUCDFTI5VOV3F · pith_short_8: J6QNUCDF

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/J6QNUCDFTI5VOV3F2QOBBZJB2B \
  | 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: 4fa0da08659a3b575765d41c10e521d07ab4f6d3df01fdc6ef52bbf2bf3ab83d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0024229d10a83b009686e278a45711c069f21340842650fafeed3fa92958c53",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2020-09-04T03:01:52Z",
    "title_canon_sha256": "10388885a6ac7ed29886d72a4016edcf358ca1b7fbe043006ca402ab9adf86d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.04991",
    "kind": "arxiv",
    "version": 3
  }
}