Pith Number

pith:I6XKCNSP

pith:2017:I6XKCNSPARWJ65LLU2OG2XJRJN

not attested not anchored not stored refs pending

Adaptive Singular Value Thresholding

Farokh Marvasti, Nematollah Zarmehi

arxiv:1705.00715 v2 · 2017-05-01 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I6XKCNSPARWJ65LLU2OG2XJRJN}

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	2026-05-18T00:40:12.975777Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47aea1364f046c9f756ba69c6d5d314b53e64c4c7cf88bc17d8400dba0e30398

Aliases

arxiv: 1705.00715 · arxiv_version: 1705.00715v2 · doi: 10.48550/arxiv.1705.00715 · pith_short_12: I6XKCNSPARWJ · pith_short_16: I6XKCNSPARWJ65LL · pith_short_8: I6XKCNSP

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/I6XKCNSPARWJ65LLU2OG2XJRJN \
  | 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: 47aea1364f046c9f756ba69c6d5d314b53e64c4c7cf88bc17d8400dba0e30398

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b617e84d6d4833234d1dbf4dc03d5f2e85bdd72a55132f252dfe7eec9fccfb7f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-05-01T21:10:52Z",
    "title_canon_sha256": "58487908ddbe0d5a133d65e109112fc2f92a7443ce2b87f2924d886c7a64a9ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.00715",
    "kind": "arxiv",
    "version": 2
  }
}