Pith Number

pith:O6A7STS5

pith:2019:O6A7STS5JD2BY5CHOJADO2MM3K

not attested not anchored not stored refs pending

Estimating Socioeconomic Status via Temporal-Spatial Mobility Analysis -- A Case Study of Smart Card Data

Hong Huang, Shichang Ding, Tao Zhao, Xiaoming Fu

arxiv:1905.05437 v1 · 2019-05-14 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O6A7STS5JD2BY5CHOJADO2MM3K}

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	2026-05-17T23:46:16.480161Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7781f94e5d48f41c7447724037698cdaabca766543fc6e7f42a59c7f72a73fec

Aliases

arxiv: 1905.05437 · arxiv_version: 1905.05437v1 · doi: 10.48550/arxiv.1905.05437 · pith_short_12: O6A7STS5JD2B · pith_short_16: O6A7STS5JD2BY5CH · pith_short_8: O6A7STS5

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/O6A7STS5JD2BY5CHOJADO2MM3K \
  | 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: 7781f94e5d48f41c7447724037698cdaabca766543fc6e7f42a59c7f72a73fec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1638ee039c8959aefe267de1bc7cf378b3de53143ed74a7435227025007f92e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2019-05-14T08:06:44Z",
    "title_canon_sha256": "257a1e2ce1f46729097602938ce55ce1617edd9b92f2b1d7c69c701d20d162c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.05437",
    "kind": "arxiv",
    "version": 1
  }
}