Pith Number

pith:6YCR54JT

pith:2017:6YCR54JTMLLYRHWB2L22AVENOX

not attested not anchored not stored refs pending

Beyond Moore-Penrose Part I: Generalized Inverses that Minimize Matrix Norms

Ivan Dokmani\'c, R\'emi Gribonval (PANAMA)

arxiv:1706.08349 v2 · 2017-06-26 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6YCR54JTMLLYRHWB2L22AVENOX}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:40:23.633592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6051ef13362d7889ec1d2f5a0548d75daaed856de5c21c873e6a07cdf6dba21

Aliases

arxiv: 1706.08349 · arxiv_version: 1706.08349v2 · doi: 10.48550/arxiv.1706.08349 · pith_short_12: 6YCR54JTMLLY · pith_short_16: 6YCR54JTMLLYRHWB · pith_short_8: 6YCR54JT

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/6YCR54JTMLLYRHWB2L22AVENOX \
  | 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: f6051ef13362d7889ec1d2f5a0548d75daaed856de5c21c873e6a07cdf6dba21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee1bdf9bd5701128ede42d5be824b935c4de3a92fe632144f9ce401e04dc8e01",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-06-26T12:56:50Z",
    "title_canon_sha256": "afdbff86b6f21714e24280caedd1681c384e223d8e34ed4b616fbbc16dff5216"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.08349",
    "kind": "arxiv",
    "version": 2
  }
}