Pith Number

pith:GSL6ISOH

pith:2017:GSL6ISOH3CK3Z6TCSM4UW5BISW

not attested not anchored not stored refs pending

Subset sum problem in polycyclic groups

Alexander Ushakov, Andrey Nikolaev

arxiv:1703.07406 v1 · 2017-03-21 · math.GR · cs.CC · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GSL6ISOH3CK3Z6TCSM4UW5BISW}

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	2026-05-18T00:48:08.859494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3497e449c7d895bcfa6293394b742895bbfeb603d873fdcf032a7f38d60da1b0

Aliases

arxiv: 1703.07406 · arxiv_version: 1703.07406v1 · doi: 10.48550/arxiv.1703.07406 · pith_short_12: GSL6ISOH3CK3 · pith_short_16: GSL6ISOH3CK3Z6TC · pith_short_8: GSL6ISOH

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/GSL6ISOH3CK3Z6TCSM4UW5BISW \
  | 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: 3497e449c7d895bcfa6293394b742895bbfeb603d873fdcf032a7f38d60da1b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c3689f6406a19486259a76701888754a9a440ede1d51147fc639cbbac90215b",
    "cross_cats_sorted": [
      "cs.CC",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2017-03-21T19:48:23Z",
    "title_canon_sha256": "ed8b74b7071c700ff380ba00d08d62b36fb86d4c90cfb99af3dd35131ebcf7ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.07406",
    "kind": "arxiv",
    "version": 1
  }
}