Pith Number

pith:NDQUFL2X

pith:2015:NDQUFL2XG2GPU4R4RM3DCT62LD

not attested not anchored not stored refs pending

Realizing Suleimanova Spectra via Permutative Matrices

Pietro Paparella

arxiv:1509.00823 v3 · 2015-09-02 · 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{NDQUFL2XG2GPU4R4RM3DCT62LD}

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	2026-05-18T00:39:04.952541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68e142af57368cfa723c8b36314fda58f3eb49e92116278fab6d4a16a66bd543

Aliases

arxiv: 1509.00823 · arxiv_version: 1509.00823v3 · doi: 10.48550/arxiv.1509.00823 · pith_short_12: NDQUFL2XG2GP · pith_short_16: NDQUFL2XG2GPU4R4 · pith_short_8: NDQUFL2X

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/NDQUFL2XG2GPU4R4RM3DCT62LD \
  | 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: 68e142af57368cfa723c8b36314fda58f3eb49e92116278fab6d4a16a66bd543

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b792948698428622817b696dcdef991047a9029cba2c073c8e50a5c97d57299",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2015-09-02T19:06:56Z",
    "title_canon_sha256": "94bfbab500b8becb8bf12ff4b95251796cc42f6ba96a8ff6350b5218a9d528a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.00823",
    "kind": "arxiv",
    "version": 3
  }
}