Pith Number

pith:DKEJ7DHD

pith:2017:DKEJ7DHD6XMSL5EGQWWHB4YDKQ

not attested not anchored not stored refs pending

Weighted Singular Value Thresholding and its Application to Background Estimation

Aritra Dutta, Boqing Gong, Mubarak Shah, Xin Li

arxiv:1707.00133 v1 · 2017-07-01 · 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{DKEJ7DHD6XMSL5EGQWWHB4YDKQ}

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	2026-05-18T00:41:04.374127Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a889f8ce3f5d925f48685ac70f303543961def7f624dec97d0cda1806989144

Aliases

arxiv: 1707.00133 · arxiv_version: 1707.00133v1 · doi: 10.48550/arxiv.1707.00133 · pith_short_12: DKEJ7DHD6XMS · pith_short_16: DKEJ7DHD6XMSL5EG · pith_short_8: DKEJ7DHD

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/DKEJ7DHD6XMSL5EGQWWHB4YDKQ \
  | 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: 1a889f8ce3f5d925f48685ac70f303543961def7f624dec97d0cda1806989144

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d54495fade8e5ba7037aa14a6e397b1bd3695f7e42b904a2e5fbbc8eaf52fbd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-07-01T10:09:40Z",
    "title_canon_sha256": "12f7538f8f8dea340284779a3a508772b2b8fccaebc557b9d10d03131793e034"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.00133",
    "kind": "arxiv",
    "version": 1
  }
}