Pith Number

pith:QCUDZ2SO

pith:2017:QCUDZ2SO6WBUXKEXXP44VUESBA

not attested not anchored not stored refs pending

Generalized piggybacking codes for distributed storage systems

Qin Huang, Shuai Yuan, Zulin Wang

arxiv:1702.01241 v1 · 2017-02-04 · 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{QCUDZ2SO6WBUXKEXXP44VUESBA}

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	2026-05-18T00:51:24.048674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80a83cea4ef5834ba897bbf9cad092080cde4106b406e7b42d98fbbf45c313f3

Aliases

arxiv: 1702.01241 · arxiv_version: 1702.01241v1 · doi: 10.48550/arxiv.1702.01241 · pith_short_12: QCUDZ2SO6WBU · pith_short_16: QCUDZ2SO6WBUXKEX · pith_short_8: QCUDZ2SO

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/QCUDZ2SO6WBUXKEXXP44VUESBA \
  | 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: 80a83cea4ef5834ba897bbf9cad092080cde4106b406e7b42d98fbbf45c313f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73d78a801fef109845902096c027e38511dc4950a569174d907f981a82581bc4",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-02-04T05:33:43Z",
    "title_canon_sha256": "9a9f762c0b4370d12790e46022e6f42e1da8c88d49bdca52f6d5f3b19d81c189"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.01241",
    "kind": "arxiv",
    "version": 1
  }
}