Pith Number

pith:D57WZJFX

pith:2015:D57WZJFXOXJB6AMECB5NLJTG6B

not attested not anchored not stored refs pending

Sharp Time--Data Tradeoffs for Linear Inverse Problems

Benjamin Recht, Mahdi Soltanolkotabi, Samet Oymak

arxiv:1507.04793 v2 · 2015-07-16 · cs.IT · cs.LG · math.IT · math.OC · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D57WZJFXOXJB6AMECB5NLJTG6B}

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	2026-05-18T01:23:23.834051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f7f6ca4b775d21f0184107ad5a666f07def253f668743ab65478261cb7e71f5

Aliases

arxiv: 1507.04793 · arxiv_version: 1507.04793v2 · doi: 10.48550/arxiv.1507.04793 · pith_short_12: D57WZJFXOXJB · pith_short_16: D57WZJFXOXJB6AME · pith_short_8: D57WZJFX

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/D57WZJFXOXJB6AMECB5NLJTG6B \
  | 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: 1f7f6ca4b775d21f0184107ad5a666f07def253f668743ab65478261cb7e71f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffec445451a597011726d108bc880a412b76781c5baf07f90aa5e1013a7c603f",
    "cross_cats_sorted": [
      "cs.LG",
      "math.IT",
      "math.OC",
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-07-16T23:03:00Z",
    "title_canon_sha256": "3ff6dadfc819e91ed08f26d4b8d516b2b78deb7150dcffadfe7cf8a9ea7b524a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.04793",
    "kind": "arxiv",
    "version": 2
  }
}