Pith Number

pith:GEIE3MNG

pith:2021:GEIE3MNG6J2AGTDOWJCEQF7KQ6

not attested not anchored not stored refs pending

Identifying Population Movements with Non-Negative Matrix Factorization from Wi-Fi User Counts in Smart and Connected Cities

Armen Davis, James Curry, Joshua Park, Michael Huffman

arxiv:2111.10459 v1 · 2021-11-19 · cs.LG · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GEIE3MNG6J2AGTDOWJCEQF7KQ6}

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	2026-07-05T03:33:53.019287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31104db1a6f274034c6eb2444817ea87b369898fdacd4a8636aab92d463be700

Aliases

arxiv: 2111.10459 · arxiv_version: 2111.10459v1 · doi: 10.48550/arxiv.2111.10459 · pith_short_12: GEIE3MNG6J2A · pith_short_16: GEIE3MNG6J2AGTDO · pith_short_8: GEIE3MNG

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/GEIE3MNG6J2AGTDOWJCEQF7KQ6 \
  | 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: 31104db1a6f274034c6eb2444817ea87b369898fdacd4a8636aab92d463be700

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54e01d2e078d50cb0ac8ba9cc97b8cd129c75a80ef63dc14170afbc03f1823ed",
    "cross_cats_sorted": [
      "eess.SP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-11-19T22:24:04Z",
    "title_canon_sha256": "42b9488f0a0c6f8f216a4bb35237f1b180c403ce8ab4d74fc572160422623b0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.10459",
    "kind": "arxiv",
    "version": 1
  }
}