Pith Number

pith:SVUURNPD

pith:2025:SVUURNPDZEZUPWJFY3DS6WHNA4

not attested not anchored not stored refs pending

AirTOWN: A Privacy-Preserving Mobile App for Real-time Pollution-Aware POI Suggestion

Giuseppe Fasano, Tommaso Di Noia, Yashar Deldjoo

arxiv:2501.13608 v1 · 2025-01-23 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SVUURNPDZEZUPWJFY3DS6WHNA4}

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	2026-07-05T10:04:31.470552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

956948b5e3c93347d925c6c72f58ed073c9d21fd14d6202f6f915643c4d06dcc

Aliases

arxiv: 2501.13608 · arxiv_version: 2501.13608v1 · doi: 10.48550/arxiv.2501.13608 · pith_short_12: SVUURNPDZEZU · pith_short_16: SVUURNPDZEZUPWJF · pith_short_8: SVUURNPD

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/SVUURNPDZEZUPWJFY3DS6WHNA4 \
  | 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: 956948b5e3c93347d925c6c72f58ed073c9d21fd14d6202f6f915643c4d06dcc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2689ca204b97023adfb5664d41ab1b342746633e79f5554bfdd4251894f0524a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-01-23T12:28:22Z",
    "title_canon_sha256": "ff52f414ce1f0e56d1fc7b232362241c293a2c0bd689c376afdd69d51b1b4730"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.13608",
    "kind": "arxiv",
    "version": 1
  }
}