Pith Number

pith:Y2LBR4XN

pith:2018:Y2LBR4XNB4GW3TMTTN2X6XK3A3

not attested not anchored not stored refs pending

On the Achievability Region of Regenerating Codes for Multiple Erasures

Marwen Zorgui, Zhiying Wang

arxiv:1802.00104 v1 · 2018-01-31 · 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{Y2LBR4XNB4GW3TMTTN2X6XK3A3}

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	2026-05-18T00:24:36.792712Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c69618f2ed0f0d6dcd939b757f5d5b06d54d864cabaac5c9245b3673925a7f63

Aliases

arxiv: 1802.00104 · arxiv_version: 1802.00104v1 · doi: 10.48550/arxiv.1802.00104 · pith_short_12: Y2LBR4XNB4GW · pith_short_16: Y2LBR4XNB4GW3TMT · pith_short_8: Y2LBR4XN

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/Y2LBR4XNB4GW3TMTTN2X6XK3A3 \
  | 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: c69618f2ed0f0d6dcd939b757f5d5b06d54d864cabaac5c9245b3673925a7f63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf4a9ef38f16e54fa532fee5e0424f2fa782b404c41f5d053be717ab6c1200f6",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-01-31T23:52:34Z",
    "title_canon_sha256": "97aa3a708ff4f14ab3afc4d9fbbc5f46d7f9f2f603d72274459c4654657582bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.00104",
    "kind": "arxiv",
    "version": 1
  }
}