Pith Number

pith:GEIDYMYN

pith:2013:GEIDYMYNNZ47ORYUZXAQOV7FHC

not attested not anchored not stored refs pending

Optimizing Password Composition Policies

Ariel Procaccia, Jeremiah Blocki, Or Sheffet, Saranga Komanduri

arxiv:1302.5101 v2 · 2013-02-20 · 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{GEIDYMYNNZ47ORYUZXAQOV7FHC}

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	2026-05-18T03:32:44.234942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31103c330d6e79f74714cdc10757e538b9f20883356406bbe2734b17a9115b21

Aliases

arxiv: 1302.5101 · arxiv_version: 1302.5101v2 · doi: 10.48550/arxiv.1302.5101 · pith_short_12: GEIDYMYNNZ47 · pith_short_16: GEIDYMYNNZ47ORYU · pith_short_8: GEIDYMYN

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/GEIDYMYNNZ47ORYUZXAQOV7FHC \
  | 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: 31103c330d6e79f74714cdc10757e538b9f20883356406bbe2734b17a9115b21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7965f8622ed2b59a04c64bf5e3bb8add5237ec409ecb0301b054b82c777822ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2013-02-20T20:53:41Z",
    "title_canon_sha256": "80ae120ab652b75eb4e4cedff8de6ba89a0d849a665e8e1852b4805cbfed442a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.5101",
    "kind": "arxiv",
    "version": 2
  }
}