Pith Number

pith:5Q4VMXBX

pith:2019:5Q4VMXBX3B2A3QRWBY4YSYYPBM

not attested not anchored not stored refs pending

Utilizing Bluetooth Low Energy to recognize proximity, touch and humans

Ben Robins, Kerstin Dautenhahn, Maha Salem, Marcus M. Scheunemann

arxiv:1904.03475 v1 · 2019-04-06 · cs.RO · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5Q4VMXBX3B2A3QRWBY4YSYYPBM}

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	2026-05-17T23:49:13.285382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec39565c37d8740dc2360e3989630f0b136333dfe35de1b0166b6914c33e682b

Aliases

arxiv: 1904.03475 · arxiv_version: 1904.03475v1 · doi: 10.48550/arxiv.1904.03475 · pith_short_12: 5Q4VMXBX3B2A · pith_short_16: 5Q4VMXBX3B2A3QRW · pith_short_8: 5Q4VMXBX

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/5Q4VMXBX3B2A3QRWBY4YSYYPBM \
  | 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: ec39565c37d8740dc2360e3989630f0b136333dfe35de1b0166b6914c33e682b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47fe8a27f9d3c76d5c8804716aeab368d87dfa15e529d7a4e4962e6cdd47e427",
    "cross_cats_sorted": [
      "cs.HC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2019-04-06T15:34:47Z",
    "title_canon_sha256": "d366d87dfe08e120ae445729b8c5abc7d3b8d26367ad7e19497ca5e19f18d0e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.03475",
    "kind": "arxiv",
    "version": 1
  }
}