Pith Number

pith:45JU4DQI

pith:2017:45JU4DQIWGD4IU35MSUVCFHBQ3

not attested not anchored not stored refs pending

On the Tradeoff Region of Secure Exact-Repair Regenerating Codes

Chao Tian, Cong Shen, Shuo Shao, Tie Liu

arxiv:1701.03023 v1 · 2017-01-11 · 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{45JU4DQIWGD4IU35MSUVCFHBQ3}

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	2026-05-18T00:52:59.526272Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7534e0e08b187c4537d64a95114e186d1498eb20bac8c4b74aba0f3cbf8cc11

Aliases

arxiv: 1701.03023 · arxiv_version: 1701.03023v1 · doi: 10.48550/arxiv.1701.03023 · pith_short_12: 45JU4DQIWGD4 · pith_short_16: 45JU4DQIWGD4IU35 · pith_short_8: 45JU4DQI

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/45JU4DQIWGD4IU35MSUVCFHBQ3 \
  | 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: e7534e0e08b187c4537d64a95114e186d1498eb20bac8c4b74aba0f3cbf8cc11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "768aaafb003d57cc39d08ac4b4efa24cf658fc444310040cdecdfc14f2b96868",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-01-11T15:36:10Z",
    "title_canon_sha256": "9789d1c067d9b3f9d530817728e12b55b74e9ee5d4eef2c7f10f764d7d09155a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.03023",
    "kind": "arxiv",
    "version": 1
  }
}