Pith Number

pith:CSXBQVRC

pith:2017:CSXBQVRCKITPPZCB7R2YVGYNFA

not attested not anchored not stored refs pending

Spaceprint: a Mobility-based Fingerprinting Scheme for Public Spaces

Geert Heijenk, Maarten van Steen, Mitra Baratchi

arxiv:1703.09962 v1 · 2017-03-29 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CSXBQVRCKITPPZCB7R2YVGYNFA}

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	2026-05-18T00:47:38.929824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14ae1856225226f7e441fc758a9b0d2826ae354ee7755c976850a0d1f8c174c0

Aliases

arxiv: 1703.09962 · arxiv_version: 1703.09962v1 · doi: 10.48550/arxiv.1703.09962 · pith_short_12: CSXBQVRCKITP · pith_short_16: CSXBQVRCKITPPZCB · pith_short_8: CSXBQVRC

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/CSXBQVRCKITPPZCB7R2YVGYNFA \
  | 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: 14ae1856225226f7e441fc758a9b0d2826ae354ee7755c976850a0d1f8c174c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dceee79e755ce37a94a2638f5f62bc66f2394929e6887b657ca873ecfe10ea26",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2017-03-29T10:31:04Z",
    "title_canon_sha256": "7810f029cd4108a4d54b1d138d01cf1d479e41ca2a40df61eade087ae9c96725"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.09962",
    "kind": "arxiv",
    "version": 1
  }
}