Pith Number

pith:AN2EP7SJ

pith:2019:AN2EP7SJGUBOQPOCS5QOK76TDA

not attested not anchored not stored refs pending

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

Carl A. Gunter, Kevin D. Lux, Michael J. May

arxiv:1908.02108 v2 · 2019-08-06 · cs.NI · cs.CR · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AN2EP7SJGUBOQPOCS5QOK76TDA}

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	2026-07-05T11:59:49.861188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

037447fe493502e83dc29760e57fd3183efca0f4815b58184ae44cf39bd45e83

Aliases

arxiv: 1908.02108 · arxiv_version: 1908.02108v2 · doi: 10.48550/arxiv.1908.02108 · pith_short_12: AN2EP7SJGUBO · pith_short_16: AN2EP7SJGUBOQPOC · pith_short_8: AN2EP7SJ

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/AN2EP7SJGUBOQPOCS5QOK76TDA \
  | 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: 037447fe493502e83dc29760e57fd3183efca0f4815b58184ae44cf39bd45e83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce39a7a4246d7e17bce714f654c0c648ca87ed37fad656cbfe335c9a8557e1cb",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2019-08-06T12:38:50Z",
    "title_canon_sha256": "e746a205746fb47cc91b2c8751816ac2f89cfe362dedbe0fdf16860d372f3adc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02108",
    "kind": "arxiv",
    "version": 2
  }
}