Pith Number

pith:TSR4IIVW

pith:2016:TSR4IIVWSEFEL4NIBB3GXU4IDW

not attested not anchored not stored refs pending

Characteristic subspaces and hyperinvariant frames

Harald K. Wimmer, Pudji Astuti

arxiv:1602.06485 v1 · 2016-02-21 · math.RA · math.FA · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TSR4IIVWSEFEL4NIBB3GXU4IDW}

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	2026-05-18T01:20:13.852649Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ca3c422b6910a45f1a808766bd3881d9762b5aff4784516ae8419ea811c2efa

Aliases

arxiv: 1602.06485 · arxiv_version: 1602.06485v1 · doi: 10.48550/arxiv.1602.06485 · pith_short_12: TSR4IIVWSEFE · pith_short_16: TSR4IIVWSEFEL4NI · pith_short_8: TSR4IIVW

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/TSR4IIVWSEFEL4NIBB3GXU4IDW \
  | 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: 9ca3c422b6910a45f1a808766bd3881d9762b5aff4784516ae8419ea811c2efa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02d832894f89dd7f44c3a4fe5ccf6d2fe10a63e32796a7b6d632fcaf29e1ff3d",
    "cross_cats_sorted": [
      "math.FA",
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2016-02-21T02:04:45Z",
    "title_canon_sha256": "962b4e64226753cbfdca4cac56d2d2dcadb93040af0d2fa25726d86aeb69680a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.06485",
    "kind": "arxiv",
    "version": 1
  }
}