Pith Number

pith:R6MZN73E

pith:2011:R6MZN73EPF34VWRVHT6G5QWW2D

not attested not anchored not stored refs pending

Data sets of very large linear feasibility problems solved by projection methods

Wei Chen

arxiv:1103.2952 v1 · 2011-03-14 · cs.MS · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R6MZN73EPF34VWRVHT6G5QWW2D}

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	2026-05-18T04:26:46.139601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f9996ff647977cada353cfc6ec2d6d0fba224c83e0442a49bd2384dd397a2c1

Aliases

arxiv: 1103.2952 · arxiv_version: 1103.2952v1 · doi: 10.48550/arxiv.1103.2952 · pith_short_12: R6MZN73EPF34 · pith_short_16: R6MZN73EPF34VWRV · pith_short_8: R6MZN73E

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/R6MZN73EPF34VWRVHT6G5QWW2D \
  | 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: 8f9996ff647977cada353cfc6ec2d6d0fba224c83e0442a49bd2384dd397a2c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fabe15445868781877e4d368a28f0f5dd269d68a1cae9076843da2f0a8a7885",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2011-03-14T15:20:46Z",
    "title_canon_sha256": "fcdb5dc0ff517755587e5648834a90d43cad23975764a8bf93e6b8adb11bfb18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.2952",
    "kind": "arxiv",
    "version": 1
  }
}