Pith Number

pith:DEIKVA3E

pith:2023:DEIKVA3EYYFAOJYSAAAJUCWLCW

not attested not anchored not stored refs pending

Contact Tracing over Uncertain Indoor Positioning Data (Extended Version)

Harry Kai-Ho Chan, Hua Lu, Huan Li, Muhammad Aamir Cheema, Tiantian Liu

arxiv:2304.08838 v2 · 2023-04-18 · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DEIKVA3EYYFAOJYSAAAJUCWLCW}

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	2026-07-05T06:03:12.452990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1910aa8364c60a07271200009a0acb15a6ba8d6f66c8d3155663e8f26329d41c

Aliases

arxiv: 2304.08838 · arxiv_version: 2304.08838v2 · doi: 10.48550/arxiv.2304.08838 · pith_short_12: DEIKVA3EYYFA · pith_short_16: DEIKVA3EYYFAOJYS · pith_short_8: DEIKVA3E

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/DEIKVA3EYYFAOJYSAAAJUCWLCW \
  | 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: 1910aa8364c60a07271200009a0acb15a6ba8d6f66c8d3155663e8f26329d41c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "618ad6706aece27d3464136ad85e40945857dea9db8ffe79e79bb61852e04924",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2023-04-18T09:05:53Z",
    "title_canon_sha256": "a8127115316b771705eb29f95fe47ffb6f3b780cd5b345ecd0bea1aa1cb7c653"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.08838",
    "kind": "arxiv",
    "version": 2
  }
}