Pith Number

pith:XE6TUCBS

pith:2004:XE6TUCBSASDDDXSL3WFNACMPJ7

not attested not anchored not stored refs pending

The conjugacy search problem in public key cryptography: unnecessary and insufficient

Alexander Ushakov, Vladimir Shpilrain

arxiv:math/0411644 v1 · 2004-11-29 · math.GR · 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{XE6TUCBSASDDDXSL3WFNACMPJ7}

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	2026-05-18T01:05:25.582467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b93d3a0832048631de4bdd8ad0098f4fc22a535c3f2bd2e9acee15bb91c931a6

Aliases

arxiv: math/0411644 · arxiv_version: math/0411644v1 · doi: 10.48550/arxiv.math/0411644 · pith_short_12: XE6TUCBSASDD · pith_short_16: XE6TUCBSASDDDXSL · pith_short_8: XE6TUCBS

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/XE6TUCBSASDDDXSL3WFNACMPJ7 \
  | 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: b93d3a0832048631de4bdd8ad0098f4fc22a535c3f2bd2e9acee15bb91c931a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bf53e0812810c071e219a4bf770fa5e93186318a80d2c87a7773700e8800407",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "",
    "primary_cat": "math.GR",
    "submitted_at": "2004-11-29T21:46:13Z",
    "title_canon_sha256": "3eb17ac0d5197be691df03f8036725a0fb011f39999c8cce44654c15991fa55c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0411644",
    "kind": "arxiv",
    "version": 1
  }
}