Pith Number

pith:3Z5ZYFAY

pith:2015:3Z5ZYFAYWHJH7GUFKJRGOEERTX

not attested not anchored not stored refs pending

FendOff encryption software to secure personal information on computers and mobile devices

Ramzan Umarov, Victor Solovyev

arxiv:1511.00050 v1 · 2015-10-31 · 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{3Z5ZYFAYWHJH7GUFKJRGOEERTX}

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	2026-05-18T01:28:13.474180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de7b9c1418b1d27f9a8552626710919ddccc77dbd3944136e8cb12f0dc4c3b64

Aliases

arxiv: 1511.00050 · arxiv_version: 1511.00050v1 · doi: 10.48550/arxiv.1511.00050 · pith_short_12: 3Z5ZYFAYWHJH · pith_short_16: 3Z5ZYFAYWHJH7GUF · pith_short_8: 3Z5ZYFAY

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/3Z5ZYFAYWHJH7GUFKJRGOEERTX \
  | 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: de7b9c1418b1d27f9a8552626710919ddccc77dbd3944136e8cb12f0dc4c3b64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c2fdf12cfe7c3f3b7f36e37408687b0a7a98fd84dfc5eec8f97ab9b8a37c7c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2015-10-31T00:22:00Z",
    "title_canon_sha256": "a557c1b72facffa18cf7be2aaaa44127316a68303fed9d2dfa0d02f3bcec29e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.00050",
    "kind": "arxiv",
    "version": 1
  }
}