Pith Number

pith:7QGZDC7J

pith:2016:7QGZDC7JT2SWAKWIWYS776GYD7

not attested not anchored not stored refs pending

Outer Bounds on the Storage-Repair Bandwidth Tradeoff of Exact-Repair Regenerating Codes

Birenjith Sasidharan, Kaushik Senthoor, M. Nikhil Krishnan, Myna Vajha, N. Prakash, P. Vijay Kumar

arxiv:1606.04467 v1 · 2016-06-14 · 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{7QGZDC7JT2SWAKWIWYS776GYD7}

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	2026-05-18T01:12:25.574853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc0d918be99ea5602ac8b625fff8d81fdf2d9f637ff3f307de2bb4fb0c9cd543

Aliases

arxiv: 1606.04467 · arxiv_version: 1606.04467v1 · doi: 10.48550/arxiv.1606.04467 · pith_short_12: 7QGZDC7JT2SW · pith_short_16: 7QGZDC7JT2SWAKWI · pith_short_8: 7QGZDC7J

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/7QGZDC7JT2SWAKWIWYS776GYD7 \
  | 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: fc0d918be99ea5602ac8b625fff8d81fdf2d9f637ff3f307de2bb4fb0c9cd543

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d80950f1151aa9c55407d331c0d942f1dabcd285d1a323f5d45869c0f2692d38",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-06-14T17:28:59Z",
    "title_canon_sha256": "064c4cf88fea63086f2a7dd2725f15e0ab242949f1ea3c09857210be01a9b1bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.04467",
    "kind": "arxiv",
    "version": 1
  }
}