Pith Number

pith:GTHD7TM4

pith:2017:GTHD7TM4NJFMJCKUSS2UHVUN56

not attested not anchored not stored refs pending

Robustness to unknown error in sparse regularization

Ben Adcock, Simone Brugiapaglia

arxiv:1705.10299 v2 · 2017-05-29 · cs.IT · math.IT · 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{GTHD7TM4NJFMJCKUSS2UHVUN56}

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	2026-05-18T00:29:51.605911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34ce3fcd9c6a4ac4895494b543d68defa83ec9854291ce9d053541b7d0eff97f

Aliases

arxiv: 1705.10299 · arxiv_version: 1705.10299v2 · doi: 10.48550/arxiv.1705.10299 · pith_short_12: GTHD7TM4NJFM · pith_short_16: GTHD7TM4NJFMJCKU · pith_short_8: GTHD7TM4

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/GTHD7TM4NJFMJCKUSS2UHVUN56 \
  | 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: 34ce3fcd9c6a4ac4895494b543d68defa83ec9854291ce9d053541b7d0eff97f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d951306b58d7223a6b5ce4711f175491e54f63543dd9c6dc17890bd7d2bb24df",
    "cross_cats_sorted": [
      "math.IT",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-05-29T17:37:21Z",
    "title_canon_sha256": "cd0a6c0e19032f79f7cf20996156a2dd8c785419c73ce0fd21916f0ee4798c27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.10299",
    "kind": "arxiv",
    "version": 2
  }
}