Pith Number

pith:5Z4M4FB2

pith:2015:5Z4M4FB2JGP6V445QCUDADLJP5

not attested not anchored not stored refs pending

An Alternate Construction of an Access-Optimal Regenerating Code with Optimal Sub-Packetization Level

Birenjith Sasidharan, Gaurav Kumar Agarwal, P. Vijay Kumar

arxiv:1501.04760 v1 · 2015-01-20 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5Z4M4FB2JGP6V445QCUDADLJP5}

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	2026-05-18T02:29:02.909152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee78ce143a499feaf39d80a8300d697f73f69541e94a87eb6ed31c5ac80f1314

Aliases

arxiv: 1501.04760 · arxiv_version: 1501.04760v1 · doi: 10.48550/arxiv.1501.04760 · pith_short_12: 5Z4M4FB2JGP6 · pith_short_16: 5Z4M4FB2JGP6V445 · pith_short_8: 5Z4M4FB2

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/5Z4M4FB2JGP6V445QCUDADLJP5 \
  | 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: ee78ce143a499feaf39d80a8300d697f73f69541e94a87eb6ed31c5ac80f1314

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f2645a18797a935a6963771c5ced3261e9e3d9fc316508d50908d2956df2924",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-01-20T11:01:47Z",
    "title_canon_sha256": "05aa94a4041ce60163201aa8eefae20720de724aad96ec8ad3b4b96f4b9cb390"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04760",
    "kind": "arxiv",
    "version": 1
  }
}