Pith Number

pith:4G2BJVFP

pith:2013:4G2BJVFPD77EW2GIXDTFYOQEUA

not attested not anchored not stored refs pending

ChaMAILeon: Exploring the Usability of a Privacy Preserving Email Sharing System

Mayank Gupta, Niharika Sachdeva, Ponnurangam Kumaraguru, Prateek Dewan

arxiv:1306.0195 v1 · 2013-06-02 · 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{4G2BJVFPD77EW2GIXDTFYOQEUA}

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	2026-05-18T03:21:55.878740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1b414d4af1ffe4b68c8b8e65c3a04a004d760cdc287eb642a8fd1aa1caca5a1

Aliases

arxiv: 1306.0195 · arxiv_version: 1306.0195v1 · doi: 10.48550/arxiv.1306.0195 · pith_short_12: 4G2BJVFPD77E · pith_short_16: 4G2BJVFPD77EW2GI · pith_short_8: 4G2BJVFP

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/4G2BJVFPD77EW2GIXDTFYOQEUA \
  | 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: e1b414d4af1ffe4b68c8b8e65c3a04a004d760cdc287eb642a8fd1aa1caca5a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd54114b9f716b5855c141ab3ab3185e940d113df52e87194da8ad3f27eb87f0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2013-06-02T11:23:27Z",
    "title_canon_sha256": "2dd3f9e8ac56a964915ee4990253d634c5e78f54704f7c6d6ed17b019feaab4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.0195",
    "kind": "arxiv",
    "version": 1
  }
}