Pith Number

pith:N3SXD7AE

pith:2015:N3SXD7AELD4RZDDMU5LF3ND5FN

not attested not anchored not stored refs pending

Euclidean Distance Matrices: Essential Theory, Algorithms and Applications

Ivan Dokmanic, Juri Ranieri, Martin Vetterli, Reza Parhizkar

arxiv:1502.07541 v2 · 2015-02-26 · cs.OH

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

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	2026-05-18T00:59:02.097170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ee571fc0458f91c8c6ca7565db47d2b78eed75f2faf2799e5094d86080e164c

Aliases

arxiv: 1502.07541 · arxiv_version: 1502.07541v2 · doi: 10.48550/arxiv.1502.07541 · pith_short_12: N3SXD7AELD4R · pith_short_16: N3SXD7AELD4RZDDM · pith_short_8: N3SXD7AE

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/N3SXD7AELD4RZDDMU5LF3ND5FN \
  | 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: 6ee571fc0458f91c8c6ca7565db47d2b78eed75f2faf2799e5094d86080e164c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25e7c456a917110749bf7fcacd01f8e561e3239dc57856f094447bcaf82e2139",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.OH",
    "submitted_at": "2015-02-26T13:18:37Z",
    "title_canon_sha256": "6a7ee98db82438a9aa592f70d04ebc7a4f23dd4ee77a759794a6c43acfeb2284"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07541",
    "kind": "arxiv",
    "version": 2
  }
}