Pith Number

pith:ZS4C7VXG

pith:2013:ZS4C7VXGGL6Z2WWMMH335EPDVM

not attested not anchored not stored refs pending

Cryptocat: Adopting Accessibility and Ease of Use as Security Properties

Arlo Breault, Nadim Kobeissi

arxiv:1306.5156 v1 · 2013-06-21 · cs.CR · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZS4C7VXGGL6Z2WWMMH335EPDVM}

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.

Cited by

1 paper in Pith

WSEmail: A Retrospective on a System for Secure Internet Messaging Based on Web Services

Receipt and verification

First computed	2026-05-18T03:20:19.594966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccb82fd6e632fd9d5acc61f7be91e3ab3b08f225c903a9ef4aaee2e141b07d05

Aliases

arxiv: 1306.5156 · arxiv_version: 1306.5156v1 · doi: 10.48550/arxiv.1306.5156 · pith_short_12: ZS4C7VXGGL6Z · pith_short_16: ZS4C7VXGGL6Z2WWM · pith_short_8: ZS4C7VXG

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/ZS4C7VXGGL6Z2WWMMH335EPDVM \
  | 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: ccb82fd6e632fd9d5acc61f7be91e3ab3b08f225c903a9ef4aaee2e141b07d05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04b5ee91f750073bf7e1fe7088fe58db025d459c63a5dfebe7e4e383d23238eb",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2013-06-21T14:42:55Z",
    "title_canon_sha256": "0225d44e1676f70cb0a08cd93bcca634018cdf5cccb6eb5697a294a851f9a84e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.5156",
    "kind": "arxiv",
    "version": 1
  }
}