Pith Number

pith:SL6HZKPR

pith:2017:SL6HZKPRK4GISWLXFQ627FHZXD

not attested not anchored not stored refs pending

Measuring Human Activity Spaces from GPS Data with Density Ranking and Summary Curves

Adrian Dobra, Yen-Chi Chen

arxiv:1708.05017 v2 · 2017-08-16 · stat.AP · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SL6HZKPRK4GISWLXFQ627FHZXD}

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	2026-05-18T00:05:34.354240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92fc7ca9f1570c8959772c3daf94f9b8c7db26e8aac6fb5c25dd3539d0dbe941

Aliases

arxiv: 1708.05017 · arxiv_version: 1708.05017v2 · doi: 10.48550/arxiv.1708.05017 · pith_short_12: SL6HZKPRK4GI · pith_short_16: SL6HZKPRK4GISWLX · pith_short_8: SL6HZKPR

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/SL6HZKPRK4GISWLXFQ627FHZXD \
  | 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: 92fc7ca9f1570c8959772c3daf94f9b8c7db26e8aac6fb5c25dd3539d0dbe941

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1b973825629d173848e9a0afd49952b6ab728792e88a18d90679caa92c37953",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2017-08-16T18:01:03Z",
    "title_canon_sha256": "34c72d2c0d040aad694672dd3157c070d5de932f5baf719d0653c5434afe2b6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.05017",
    "kind": "arxiv",
    "version": 2
  }
}