Pith Number

pith:7VTF35HG

pith:2018:7VTF35HG5XZDDNYBP4A357TORH

not attested not anchored not stored refs pending

Sparse tensor recovery via N-mode FISTA with support augmentation

Ashley Prater-Bennette, Lixin Shen

arxiv:1807.03109 v1 · 2018-07-09 · math.NA · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7VTF35HG5XZDDNYBP4A357TORH}

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	2026-05-18T00:11:12.851974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd665df4e6edf231b7017f01befe6e89e3713546db24b33149ba8f2e1616f84d

Aliases

arxiv: 1807.03109 · arxiv_version: 1807.03109v1 · doi: 10.48550/arxiv.1807.03109 · pith_short_12: 7VTF35HG5XZD · pith_short_16: 7VTF35HG5XZDDNYB · pith_short_8: 7VTF35HG

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/7VTF35HG5XZDDNYBP4A357TORH \
  | 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: fd665df4e6edf231b7017f01befe6e89e3713546db24b33149ba8f2e1616f84d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "738abae79405eb67b78a7ccdd4b7f07e88d375fdf394267984716d5f4d77bd71",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-07-09T13:27:21Z",
    "title_canon_sha256": "790bad03e8778b3edc4ef74e6e04788d29b4eaa16f2f934c0c137c10b8f938f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.03109",
    "kind": "arxiv",
    "version": 1
  }
}