Pith Number

pith:SDIINYRM

pith:2016:SDIINYRM7AK4JDGYXPCBDDU5Y4

not attested not anchored not stored refs pending

Controlled K-frames and their invariance under Compact Perturbation

Asghar Rahimi, Mohamad Nouri, Shahram Najafzadeh

arxiv:1602.03982 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{SDIINYRM7AK4JDGYXPCBDDU5Y4}

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	2026-05-18T01:20:54.978495Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90d086e22cf815c48cd8bbc4118e9dc71a8a9e22849d0d9bc1ab9f3f0a9adbad

Aliases

arxiv: 1602.03982 · arxiv_version: 1602.03982v1 · doi: 10.48550/arxiv.1602.03982 · pith_short_12: SDIINYRM7AK4 · pith_short_16: SDIINYRM7AK4JDGY · pith_short_8: SDIINYRM

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/SDIINYRM7AK4JDGYXPCBDDU5Y4 \
  | 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: 90d086e22cf815c48cd8bbc4118e9dc71a8a9e22849d0d9bc1ab9f3f0a9adbad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2291e3db6c96d6ab03e5910817b083594642dd27e17814e171576097074e105c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2016-02-12T08:39:41Z",
    "title_canon_sha256": "236d651210158f3e74047521866e214b3981e789d150f2f837e205bdd5378f08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.03982",
    "kind": "arxiv",
    "version": 1
  }
}