Pith Number

pith:N35W6MUM

pith:2011:N35W6MUMTQHZUPFD4ZID2DCC6M

not attested not anchored not stored refs pending

Cryptanalysis And Further Improvement Of A Biometric-Based Remote User Authentication Scheme Using Smart Cards

Ashok Kumar Das

arxiv:1103.3159 v1 · 2011-03-16 · 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{N35W6MUMTQHZUPFD4ZID2DCC6M}

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	2026-05-18T04:26:44.699698Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6efb6f328c9c0f9a3ca3e6503d0c42f330b3f5d15b5e3222e20daace56dc6956

Aliases

arxiv: 1103.3159 · arxiv_version: 1103.3159v1 · doi: 10.48550/arxiv.1103.3159 · pith_short_12: N35W6MUMTQHZ · pith_short_16: N35W6MUMTQHZUPFD · pith_short_8: N35W6MUM

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/N35W6MUMTQHZUPFD4ZID2DCC6M \
  | 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: 6efb6f328c9c0f9a3ca3e6503d0c42f330b3f5d15b5e3222e20daace56dc6956

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8159ddd8a928ce8c8ff94f5a1da244584e32cedaa04f2e0b252cde2d1b869843",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2011-03-16T12:37:43Z",
    "title_canon_sha256": "e5ff9a04b52d8cb369ac0a7448c15def1794b15fd5d47725c08999eda0917a8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.3159",
    "kind": "arxiv",
    "version": 1
  }
}