Pith Number

pith:JDM2FOW5

pith:2009:JDM2FOW54AH4EYDBCTHVWRZQNW

not attested not anchored not stored refs pending

Randomized Interior Point methods for Sampling and Optimization

Hariharan Narayanan

arxiv:0911.3950 v4 · 2009-11-20 · cs.DS · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JDM2FOW54AH4EYDBCTHVWRZQNW}

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	2026-05-18T01:26:58.849181Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48d9a2badde00fc2606114cf5b47306da8b1cdf29607e0748bc84f618b027474

Aliases

arxiv: 0911.3950 · arxiv_version: 0911.3950v4 · doi: 10.48550/arxiv.0911.3950 · pith_short_12: JDM2FOW54AH4 · pith_short_16: JDM2FOW54AH4EYDB · pith_short_8: JDM2FOW5

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/JDM2FOW54AH4EYDBCTHVWRZQNW \
  | 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: 48d9a2badde00fc2606114cf5b47306da8b1cdf29607e0748bc84f618b027474

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "089697a11b7b0c8a8fa3905c4538e3dd5642a16642d24d54f3aa49055c8a5ced",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2009-11-20T02:46:03Z",
    "title_canon_sha256": "428c160fcd58272b37448cf1458bcd8be4e19405693df01e0573aac35be7d02f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.3950",
    "kind": "arxiv",
    "version": 4
  }
}