Pith Number

pith:4TRQK4OV

pith:2011:4TRQK4OVGUZKSJT37XGUC5YHJC

not attested not anchored not stored refs pending

Minimization of Storage Cost in Distributed Storage Systems with Repair Consideration

Chi Wan Sung, Kenneth W. Shum, Quan Yu

arxiv:1107.5645 v1 · 2011-07-28 · cs.IT · cs.DC · 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{4TRQK4OVGUZKSJT37XGUC5YHJC}

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	2026-05-18T04:16:41.636177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4e30571d53532a9267bfdcd41770748b8241c07f4d7c649512016fd05cafb16

Aliases

arxiv: 1107.5645 · arxiv_version: 1107.5645v1 · doi: 10.48550/arxiv.1107.5645 · pith_short_12: 4TRQK4OVGUZK · pith_short_16: 4TRQK4OVGUZKSJT3 · pith_short_8: 4TRQK4OV

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/4TRQK4OVGUZKSJT37XGUC5YHJC \
  | 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: e4e30571d53532a9267bfdcd41770748b8241c07f4d7c649512016fd05cafb16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40761f78adba445f89320c2d0b541373862c104f51cdfbed81307d58dc6840c0",
    "cross_cats_sorted": [
      "cs.DC",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-07-28T08:40:55Z",
    "title_canon_sha256": "3d8dcb795eaab00816aeff43acaacf40680645de297510ba8c53921564daa6d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.5645",
    "kind": "arxiv",
    "version": 1
  }
}