Pith Number

pith:5WWS6XIK

pith:2017:5WWS6XIKP6JSYAMGHXBPZ53IEP

not attested not anchored not stored refs pending

Repairing Reed-Solomon codes: Universally achieving the cut-set bound for any number of erasures

Alexander Barg, Min Ye

arxiv:1710.07216 v1 · 2017-10-18 · 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{5WWS6XIKP6JSYAMGHXBPZ53IEP}

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	2026-05-18T00:32:26.559304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

edad2f5d0a7f932c01863dc2fcf76823d212e0ad1ca57cfafae58716803919c7

Aliases

arxiv: 1710.07216 · arxiv_version: 1710.07216v1 · doi: 10.48550/arxiv.1710.07216 · pith_short_12: 5WWS6XIKP6JS · pith_short_16: 5WWS6XIKP6JSYAMG · pith_short_8: 5WWS6XIK

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/5WWS6XIKP6JSYAMGHXBPZ53IEP \
  | 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: edad2f5d0a7f932c01863dc2fcf76823d212e0ad1ca57cfafae58716803919c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "294b5205dcdacb2403d6140d940bcc3226a4e04a5804e5b513689d0682a3c923",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-10-18T01:56:42Z",
    "title_canon_sha256": "c76a3f7c52677b93c3a9223ebd4ae3911b03d3e85543487e6b24cb2c66dd6a6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.07216",
    "kind": "arxiv",
    "version": 1
  }
}