Pith Number

pith:T6WULJLO

pith:2018:T6WULJLOBVJ2CQDMBRK74ANCGA

not attested not anchored not stored refs pending

Assessing the quality of home detection from mobile phone data for official statistics

Fernando Reis, Maarten Vanhoof, Thomas Ploetz, Zbigniew Smoreda

arxiv:1809.07567 v1 · 2018-09-20 · 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{T6WULJLOBVJ2CQDMBRK74ANCGA}

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	2026-05-17T23:58:03.766506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fad45a56e0d53a1406c0c55fe01a23017993cd588729d01dc3fbbd5ed6de21a

Aliases

arxiv: 1809.07567 · arxiv_version: 1809.07567v1 · doi: 10.48550/arxiv.1809.07567 · pith_short_12: T6WULJLOBVJ2 · pith_short_16: T6WULJLOBVJ2CQDM · pith_short_8: T6WULJLO

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/T6WULJLOBVJ2CQDMBRK74ANCGA \
  | 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: 9fad45a56e0d53a1406c0c55fe01a23017993cd588729d01dc3fbbd5ed6de21a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97296de1023af9d57099a06499b5e6f606e056037e803e306b9c5b7f97fc98c2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2018-09-20T11:01:31Z",
    "title_canon_sha256": "e08be5a50bf10731dbe54c1e62000aa262d56ee15d08b01da653627bb76559d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.07567",
    "kind": "arxiv",
    "version": 1
  }
}