Pith Number

pith:AKKIYOQM

pith:2015:AKKIYOQMJVISUCQFCLLRSJZPFS

not attested not anchored not stored refs pending

Adaptive orthonormal systems for matrix-valued functions

D. Alpay, F. Colombo, I. Sabadini, T. Qian

arxiv:1511.07834 v1 · 2015-11-24 · math.CV

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Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-18T01:26:03.476929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02948c3a0c4d512a0a0512d719272f2cad9a1ac6f8e886206de113fd9214c533

Aliases

arxiv: 1511.07834 · arxiv_version: 1511.07834v1 · doi: 10.48550/arxiv.1511.07834

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/AKKIYOQMJVISUCQFCLLRSJZPFS \
  | 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: 02948c3a0c4d512a0a0512d719272f2cad9a1ac6f8e886206de113fd9214c533

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89a3dbf0b533e0b1dec10788cc5b54c14b5498639d32ba53fd503f1a7f00984f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2015-11-24T19:12:09Z",
    "title_canon_sha256": "43a92a953dd74e36d62c69ee6e661db8a1b4ab085e9aae743ae9449215d440cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.07834",
    "kind": "arxiv",
    "version": 1
  }
}