Pith Number

pith:DJDAN4ZU

pith:2015:DJDAN4ZUBG2HZF6BU7KHAXIGE5

not attested not anchored not stored refs pending

On generating the ring of matrix semi-invariants

G\'abor Ivanyos, K. V. Subrahmanyam, Youming Qiao

arxiv:1508.01554 v1 · 2015-08-06 · cs.CC · math.AC · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DJDAN4ZUBG2HZF6BU7KHAXIGE5}

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	2026-05-18T01:35:39.433824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a4606f33409b47c97c1a7d4705d06277356c45a931f72b17893ae5778cdf064

Aliases

arxiv: 1508.01554 · arxiv_version: 1508.01554v1 · doi: 10.48550/arxiv.1508.01554 · pith_short_12: DJDAN4ZUBG2H · pith_short_16: DJDAN4ZUBG2HZF6B · pith_short_8: DJDAN4ZU

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/DJDAN4ZUBG2HZF6BU7KHAXIGE5 \
  | 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: 1a4606f33409b47c97c1a7d4705d06277356c45a931f72b17893ae5778cdf064

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "71f00cc2a958f37bd50a17f36e6c7835cedfc971f6130340910186a09970b1be",
    "cross_cats_sorted": [
      "math.AC",
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2015-08-06T22:20:57Z",
    "title_canon_sha256": "3e621ada931a44e3329f15f09a931390ec0f02bb2def9aefe311b455d44cefc8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.01554",
    "kind": "arxiv",
    "version": 1
  }
}