Pith Number

pith:7UG7J4DV

pith:2018:7UG7J4DVG2YIJCNZVZQUH6MWCB

not attested not anchored not stored refs pending

Iterative Hard Thresholding for Low-Rank Recovery from Rank-One Projections

Simon Foucart, Srinivas Subramanian

arxiv:1810.11749 v1 · 2018-10-28 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7UG7J4DVG2YIJCNZVZQUH6MWCB}

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	2026-05-18T00:02:07.529471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd0df4f07536b08489b9ae6143f9961043141160110d4b79d18a7591377a0a60

Aliases

arxiv: 1810.11749 · arxiv_version: 1810.11749v1 · doi: 10.48550/arxiv.1810.11749 · pith_short_12: 7UG7J4DVG2YI · pith_short_16: 7UG7J4DVG2YIJCNZ · pith_short_8: 7UG7J4DV

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/7UG7J4DVG2YIJCNZVZQUH6MWCB \
  | 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: fd0df4f07536b08489b9ae6143f9961043141160110d4b79d18a7591377a0a60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afe17a5fdacae88305da07ad1b737e80366e224f826fccdfb202dc49a0e2c24f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-10-28T02:25:19Z",
    "title_canon_sha256": "82125ee83e945a4fb9bf5ec5517d2eb3f2ea87d4fbd51e6cbd0b0d345a9d66be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.11749",
    "kind": "arxiv",
    "version": 1
  }
}