Pith Number

pith:IR2KTM6W

pith:2016:IR2KTM6W4H3FZFTOIBUBBP5JF6

not attested not anchored not stored refs pending

Controlled K-frames in Hilbert Spaces

Asghar Rahimi, Mohamad Nouri, Shahram Najafzadeh

arxiv:1602.03984 v1 · 2016-02-12 · 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{IR2KTM6W4H3FZFTOIBUBBP5JF6}

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	2026-05-18T01:20:54.970526Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4474a9b3d6e1f65c966e406810bfa92faf06ad906c5848a8edacbed23bd7742f

Aliases

arxiv: 1602.03984 · arxiv_version: 1602.03984v1 · doi: 10.48550/arxiv.1602.03984 · pith_short_12: IR2KTM6W4H3F · pith_short_16: IR2KTM6W4H3FZFTO · pith_short_8: IR2KTM6W

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/IR2KTM6W4H3FZFTOIBUBBP5JF6 \
  | 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: 4474a9b3d6e1f65c966e406810bfa92faf06ad906c5848a8edacbed23bd7742f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7d07f05768a02cf01bfa3d3468d0a5d9773fe25ccc4fc585ff3dde5ec7251ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2016-02-12T08:46:57Z",
    "title_canon_sha256": "ea666774cb797245f440b53a5492d8b497a121be3a50ec16fce3c4ea3ab7b12f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.03984",
    "kind": "arxiv",
    "version": 1
  }
}