Pith Number

pith:SQ4XNUGT

pith:2018:SQ4XNUGTQZTA6TAKEC5F5BEW5D

not attested not anchored not stored refs pending

There goes Wally: Anonymously sharing your location gives you away

Apostolos Pyrgelis, Claudio Soriente, Ilias Leontiadis, Joan Serr\`a, Nicolas Kourtellis

arxiv:1806.02701 v2 · 2018-06-07 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SQ4XNUGTQZTA6TAKEC5F5BEW5D}

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	2026-05-18T00:00:39.533723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

943976d0d386660f4c0a20ba5e8496e8fed645e73c73530313f6e72720c08a5e

Aliases

arxiv: 1806.02701 · arxiv_version: 1806.02701v2 · doi: 10.48550/arxiv.1806.02701 · pith_short_12: SQ4XNUGTQZTA · pith_short_16: SQ4XNUGTQZTA6TAK · pith_short_8: SQ4XNUGT

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/SQ4XNUGTQZTA6TAKEC5F5BEW5D \
  | 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: 943976d0d386660f4c0a20ba5e8496e8fed645e73c73530313f6e72720c08a5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f4ca59aa774f4c39f3e0a7a6c70d2ad4fbbc3af80ca7da7d1971c98b96fdd61",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2018-06-07T14:27:15Z",
    "title_canon_sha256": "c335773d0ba5f95675d3bd56f579e438fc1e846e31e1310c3208083fb89f522e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.02701",
    "kind": "arxiv",
    "version": 2
  }
}