Pith Number

pith:Z2QQVNQI

pith:2018:Z2QQVNQILNBCFVYH7ABC4LIHOB

not attested not anchored not stored refs pending

Efficient Structured Matrix Recovery and Nearly-Linear Time Algorithms for Solving Inverse Symmetric $M$-Matrices

Aaron Sidford, Arun Jambulapati, Kirankumar Shiragur

arxiv:1812.06295 v1 · 2018-12-15 · cs.DS · 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{Z2QQVNQILNBCFVYH7ABC4LIHOB}

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	2026-05-17T23:58:10.647492Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cea10ab6085b4222d707f8022e2d077042d8c6d96d9112371b00ce3431eb0ede

Aliases

arxiv: 1812.06295 · arxiv_version: 1812.06295v1 · doi: 10.48550/arxiv.1812.06295 · pith_short_12: Z2QQVNQILNBC · pith_short_16: Z2QQVNQILNBCFVYH · pith_short_8: Z2QQVNQI

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/Z2QQVNQILNBCFVYH7ABC4LIHOB \
  | 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: cea10ab6085b4222d707f8022e2d077042d8c6d96d9112371b00ce3431eb0ede

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3949531f6b8ad357439806186349405450e7442235e6eb525a7933f5dbb62902",
    "cross_cats_sorted": [
      "math.OC",
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-12-15T14:37:28Z",
    "title_canon_sha256": "346a05b9b5bb07397fc7a8f7f8c7d694b452e5a8ed7ab0e49ef516f06a2f6db7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.06295",
    "kind": "arxiv",
    "version": 1
  }
}