Pith Number

pith:7G7B67LN

pith:2015:7G7B67LNZCYBSOWNORUD6PBILL

not attested not anchored not stored refs pending

On the Turing model complexity of interior point methods for semidefinite programming

Etienne de Klerk, Frank Vallentin

arxiv:1507.03549 v2 · 2015-07-13 · math.OC · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7G7B67LNZCYBSOWNORUD6PBILL}

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	2026-05-18T01:04:04.235724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9be1f7d6dc8b0193acd74683f3c285ad170fb4612af762bea87a50375202f69

Aliases

arxiv: 1507.03549 · arxiv_version: 1507.03549v2 · doi: 10.48550/arxiv.1507.03549 · pith_short_12: 7G7B67LNZCYB · pith_short_16: 7G7B67LNZCYBSOWN · pith_short_8: 7G7B67LN

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/7G7B67LNZCYBSOWNORUD6PBILL \
  | 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: f9be1f7d6dc8b0193acd74683f3c285ad170fb4612af762bea87a50375202f69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe80183316ea24d373946507873e90b176ecc4c9576b694bc9f77c9d46d07cf1",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-07-13T18:56:35Z",
    "title_canon_sha256": "784fa60b761c6d57b826ec9090067f0cba353f55810b3ead30a258c1acbea351"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.03549",
    "kind": "arxiv",
    "version": 2
  }
}