Pith Number

pith:7B4INWYU

pith:2019:7B4INWYU7EKFMI7QXVPMA5NFD4

not attested not anchored not stored refs pending

Using Chinese Characters To Generate Text-Based Passwords For Information Security

Bing Yao, Chao Yang, Fei Ma, Hongyu Wang, Hui Sun, Jianming Xie, Jing Su, Meimei Zhao, Mingjun Zhang, Ming Yao, Sihua Yang, Xiaohui Zhang, Xiaomin Wang, Yarong Mu, Yirong Sun

arxiv:1907.05406 v1 · 2019-07-11 · cs.IT · math.CO · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7B4INWYU7EKFMI7QXVPMA5NFD4}

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	2026-05-17T23:40:50.352812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f87886db14f9145623f0bd5ec075a51f1bb24bcf36390dea355bfcdb95e19fa8

Aliases

arxiv: 1907.05406 · arxiv_version: 1907.05406v1 · doi: 10.48550/arxiv.1907.05406 · pith_short_12: 7B4INWYU7EKF · pith_short_16: 7B4INWYU7EKFMI7Q · pith_short_8: 7B4INWYU

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/7B4INWYU7EKFMI7QXVPMA5NFD4 \
  | 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: f87886db14f9145623f0bd5ec075a51f1bb24bcf36390dea355bfcdb95e19fa8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a54b26de6f27a307bffb747577892788633bb591289fc3e8bcff98e79034c13f",
    "cross_cats_sorted": [
      "math.CO",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-07-11T17:46:56Z",
    "title_canon_sha256": "74a703280fa0295b500504c6c750294c6580931bd6bee67df1eb4424b6e94e1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.05406",
    "kind": "arxiv",
    "version": 1
  }
}