Pith Number

pith:LRJSTWAI

pith:2016:LRJSTWAI6HJRACRHP2VSTLTBHL

not attested not anchored not stored refs pending

The Expurgation-Augmentation Method for Constructing Good Plane Subspace Codes

Haiteng Liu, Jingmei Ai, Thomas Honold

arxiv:1601.01502 v2 · 2016-01-07 · math.CO · 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{LRJSTWAI6HJRACRHP2VSTLTBHL}

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	2026-05-18T01:22:46.042697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c5329d808f1d3100a277eab29ae613ae61faaa1041900122818f26a70f1e7c8

Aliases

arxiv: 1601.01502 · arxiv_version: 1601.01502v2 · doi: 10.48550/arxiv.1601.01502 · pith_short_12: LRJSTWAI6HJR · pith_short_16: LRJSTWAI6HJRACRH · pith_short_8: LRJSTWAI

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/LRJSTWAI6HJRACRHP2VSTLTBHL \
  | 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: 5c5329d808f1d3100a277eab29ae613ae61faaa1041900122818f26a70f1e7c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "401431a686c5b2d9de38295bdd2c11ed3b6ab1eb044dffce67f72b795f7a9788",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-01-07T12:01:18Z",
    "title_canon_sha256": "990936febd40ed2e264312f2b834e988dc340c9d37ee59352210b221e8d6f813"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.01502",
    "kind": "arxiv",
    "version": 2
  }
}