Pith Number

pith:O4Z7SDBH

pith:2017:O4Z7SDBHLRYRZEKKHMZV75IUDD

not attested not anchored not stored refs pending

Combinatorial Alphabet-Dependent Bounds for Locally Recoverable Codes

Abhishek Agarwal, Alexander Barg, Arya Mazumdar, Itzhak Tamo, Sihuang Hu

arxiv:1702.02685 v2 · 2017-02-09 · cs.IT · cs.DM · 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{O4Z7SDBHLRYRZEKKHMZV75IUDD}

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	2026-05-18T00:15:59.431403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7733f90c275c711c914a3b335ff51418e87aef944670b3b58119d6b3785a84a6

Aliases

arxiv: 1702.02685 · arxiv_version: 1702.02685v2 · doi: 10.48550/arxiv.1702.02685 · pith_short_12: O4Z7SDBHLRYR · pith_short_16: O4Z7SDBHLRYRZEKK · pith_short_8: O4Z7SDBH

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/O4Z7SDBHLRYRZEKKHMZV75IUDD \
  | 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: 7733f90c275c711c914a3b335ff51418e87aef944670b3b58119d6b3785a84a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9784dce7b1cb4c7d406c53ed68fca8bd68d043211a396c499bf8eacc3afd44fb",
    "cross_cats_sorted": [
      "cs.DM",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-02-09T03:01:41Z",
    "title_canon_sha256": "d175f21e87feac102b1d64a41a8a7d2087c379d0f778e4efcaf10e098c118858"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.02685",
    "kind": "arxiv",
    "version": 2
  }
}