Pith Number

pith:TFAFFGL5

pith:2016:TFAFFGL5QLUO2VPIAQUVLWB2DB

not attested not anchored not stored refs pending

Privacy-Friendly Mobility Analytics using Aggregate Location Data

Apostolos Pyrgelis, Emiliano De Cristofaro, Gordon Ross

arxiv:1609.06582 v2 · 2016-09-21 · cs.CR · cs.CY · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TFAFFGL5QLUO2VPIAQUVLWB2DB}

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	2026-05-18T01:02:51.715309Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

994052997d82e8ed55e8042955d83a1863a7ec29c1bc4dfbed0765a6513e738f

Aliases

arxiv: 1609.06582 · arxiv_version: 1609.06582v2 · doi: 10.48550/arxiv.1609.06582 · pith_short_12: TFAFFGL5QLUO · pith_short_16: TFAFFGL5QLUO2VPI · pith_short_8: TFAFFGL5

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/TFAFFGL5QLUO2VPIAQUVLWB2DB \
  | 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: 994052997d82e8ed55e8042955d83a1863a7ec29c1bc4dfbed0765a6513e738f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5de64488e523a7852d98fa1eeab34ee1b7db14046905151db515a5326f3c2e92",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2016-09-21T14:31:15Z",
    "title_canon_sha256": "31e91b9bb925e8769e283d9d3b019267ff9e34513296f4c51b209d4f9231af4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.06582",
    "kind": "arxiv",
    "version": 2
  }
}