Pith Number

pith:I4TR2SP3

pith:2006:I4TR2SP3MJY4ZZGVKW2W2I63WG

not attested not anchored not stored refs pending

Fuzzy Extractors: How to Generate Strong Keys from Biometrics and Other Noisy Data

Adam Smith, Leonid Reyzin, Rafail Ostrovsky, Yevgeniy Dodis

arxiv:cs/0602007 v4 · 2006-02-04 · cs.CR · cs.IT · 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{I4TR2SP3MJY4ZZGVKW2W2I63WG}

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.

Cited by

1 paper in Pith

How to Verify that a Small Device is Quantum, Unconditionally

Receipt and verification

First computed	2026-07-04T15:10:32.347127Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47271d49fb6271cce4d555b56d23dbb18e116f577b8c488d46d452246ee5e096

Aliases

arxiv: cs/0602007 · arxiv_version: cs/0602007v4 · doi: 10.48550/arxiv.cs/0602007 · pith_short_12: I4TR2SP3MJY4 · pith_short_16: I4TR2SP3MJY4ZZGV · pith_short_8: I4TR2SP3

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/I4TR2SP3MJY4ZZGVKW2W2I63WG \
  | 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: 47271d49fb6271cce4d555b56d23dbb18e116f577b8c488d46d452246ee5e096

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7f0535e83b8334b3ff77dec7998983029a4d795a121f9e8a211549450c8dafc",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "",
    "primary_cat": "cs.CR",
    "submitted_at": "2006-02-04T18:13:35Z",
    "title_canon_sha256": "aed80babf2a3f8a397301ffaad059eedbc9ffbc4c40b4beb784202eeaf8fd1cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0602007",
    "kind": "arxiv",
    "version": 4
  }
}