Pith Number

pith:TF4WD472

pith:2017:TF4WD4724QO4SV74Q6V3LQUN3S

not attested not anchored not stored refs pending

Smart Spaces: Challenges and Opportunities of BLE-Centered Mobile Systems for Public Environments

Tommy Nilsson

arxiv:1703.08717 v1 · 2017-03-25 · cs.HC · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TF4WD4724QO4SV74Q6V3LQUN3S}

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	2026-05-18T00:47:55.764262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

997961f3fae41dc957fc87abb5c28ddc84c358ec5d0288fedf2029ed7f91df2f

Aliases

arxiv: 1703.08717 · arxiv_version: 1703.08717v1 · doi: 10.48550/arxiv.1703.08717 · pith_short_12: TF4WD4724QO4 · pith_short_16: TF4WD4724QO4SV74 · pith_short_8: TF4WD472

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/TF4WD4724QO4SV74Q6V3LQUN3S \
  | 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: 997961f3fae41dc957fc87abb5c28ddc84c358ec5d0288fedf2029ed7f91df2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83e239bc872b05c3a8195e597cf3f93d9a230b23c4400c3e3245ec05e588c0ed",
    "cross_cats_sorted": [
      "cs.MM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2017-03-25T17:27:14Z",
    "title_canon_sha256": "0260b303bee7748830c5e57cbb5bf9d4cf5094105761abe6f7fa4d7a505119e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.08717",
    "kind": "arxiv",
    "version": 1
  }
}