Pith Number

pith:N4UHZV6C

pith:2015:N4UHZV6C7XDN62ANHWW7KTOCYS

not attested not anchored not stored refs pending

Privacy and the City: User Identification and Location Semantics in Location-Based Social Networks

Christoph Stich, Luca Rossi, Matthew J. Williams, Mirco Musolesi

arxiv:1503.06499 v1 · 2015-03-22 · cs.CR · cs.CY · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{N4UHZV6C7XDN62ANHWW7KTOCYS}

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	2026-05-18T02:20:38.204619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6f287cd7c2fdc6df680d3dadf54dc2c4b3e4b57f4c95157ea95fd199b528982b

Aliases

arxiv: 1503.06499 · arxiv_version: 1503.06499v1 · doi: 10.48550/arxiv.1503.06499 · pith_short_12: N4UHZV6C7XDN · pith_short_16: N4UHZV6C7XDN62AN · pith_short_8: N4UHZV6C

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/N4UHZV6C7XDN62ANHWW7KTOCYS \
  | 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: 6f287cd7c2fdc6df680d3dadf54dc2c4b3e4b57f4c95157ea95fd199b528982b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6a028fb9c27fb51f1fa1295ceeba4ae19bfb25284e23e3d6526388b466e8781",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2015-03-22T23:42:25Z",
    "title_canon_sha256": "8c9f7d946e381963b0a64d07ac6df6a1f87a0440a25fe5f44781f20e7b690378"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.06499",
    "kind": "arxiv",
    "version": 1
  }
}