Pith Number

pith:ABGU2AXD

pith:2015:ABGU2AXDV4TYZZ3X4BNNB6RTAB

not attested not anchored not stored refs pending

Optimal Exact Repair Strategy for the Parity Nodes of the $(k+2,k)$ Zigzag Code

Jie Li, Xiaohu Tang

arxiv:1503.05980 v1 · 2015-03-20 · 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{ABGU2AXDV4TYZZ3X4BNNB6RTAB}

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	2026-05-18T02:20:48.996039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

004d4d02e3af278ce777e05ad0fa33006bd7dff47b113a543cf17884569d7145

Aliases

arxiv: 1503.05980 · arxiv_version: 1503.05980v1 · doi: 10.48550/arxiv.1503.05980 · pith_short_12: ABGU2AXDV4TY · pith_short_16: ABGU2AXDV4TYZZ3X · pith_short_8: ABGU2AXD

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/ABGU2AXDV4TYZZ3X4BNNB6RTAB \
  | 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: 004d4d02e3af278ce777e05ad0fa33006bd7dff47b113a543cf17884569d7145

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "629d9b107f0fe85fc55c3de83f43a01de70732c21eee01a1ded0b5faf31efc9b",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-03-20T02:04:59Z",
    "title_canon_sha256": "e64d0c840e9ee685638c06bc877086e93fc8f6e5bf9c279007b901f08c1499b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05980",
    "kind": "arxiv",
    "version": 1
  }
}