Pith Number

pith:7RIJOXQQ

pith:2016:7RIJOXQQDD3TUQAYRYNSWXKJZR

not attested not anchored not stored refs pending

Windows Instant Messaging App Forensics: Facebook and Skype as Case Studies

Ali Dehghantanha, Kim-Kwang Raymond Choo, Teing Yee Yang, Zaiton Muda

arxiv:1603.05369 v1 · 2016-03-17 · 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{7RIJOXQQDD3TUQAYRYNSWXKJZR}

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	2026-05-18T01:18:56.503469Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc50975e1018f73a40188e1b2b5d49cc539b17ebd394342192ef99983445ac7a

Aliases

arxiv: 1603.05369 · arxiv_version: 1603.05369v1 · doi: 10.48550/arxiv.1603.05369 · pith_short_12: 7RIJOXQQDD3T · pith_short_16: 7RIJOXQQDD3TUQAY · pith_short_8: 7RIJOXQQ

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/7RIJOXQQDD3TUQAYRYNSWXKJZR \
  | 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: fc50975e1018f73a40188e1b2b5d49cc539b17ebd394342192ef99983445ac7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a96cfeb6b1a505faf856b71466f4d6a73af3bec8127ca2e5249a66ce14e7f815",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2016-03-17T06:48:13Z",
    "title_canon_sha256": "fafcb67cc76422241f3e25fad049e27cdb4c43de66dcd0ada8566d77d6e0dcac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.05369",
    "kind": "arxiv",
    "version": 1
  }
}