Pith Number

pith:3OB35AUM

pith:2017:3OB35AUMXIDX567P6AX75FYOVL

not attested not anchored not stored refs pending

Hilbert space operators with compatible off-diagonal corners

G. MacDonald, H. Radjavi, L. Livshits, L.W. Marcoux

arxiv:1709.01840 v1 · 2017-09-06 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3OB35AUMXIDX567P6AX75FYOVL}

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	2026-05-18T00:35:54.233629Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db83be828cba077efbeff02ffe970eaaccbc8c8aa95841ffe0a2d26448140d6f

Aliases

arxiv: 1709.01840 · arxiv_version: 1709.01840v1 · doi: 10.48550/arxiv.1709.01840 · pith_short_12: 3OB35AUMXIDX · pith_short_16: 3OB35AUMXIDX567P · pith_short_8: 3OB35AUM

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/3OB35AUMXIDX567P6AX75FYOVL \
  | 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: db83be828cba077efbeff02ffe970eaaccbc8c8aa95841ffe0a2d26448140d6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "201848eb5af0af6078063ab036be1aded880f3837c94633c4807d90b20f60dd7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2017-09-06T14:36:28Z",
    "title_canon_sha256": "8bd0bcb2c3b1f1b0e5ffdc1818368f538874ce7077982e7e44080590468faec0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.01840",
    "kind": "arxiv",
    "version": 1
  }
}