Pith Number

pith:YFBGKXOS

pith:2017:YFBGKXOSOFP2PJ4WFUTCQ5ZTWZ

not attested not anchored not stored refs pending

An Algebraic-Combinatorial Proof Technique for the GM-MDS Conjecture

Alex Sprintson, Anoosheh Heidarzadeh

arxiv:1702.01734 v2 · 2017-02-06 · 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{YFBGKXOSOFP2PJ4WFUTCQ5ZTWZ}

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	2026-05-18T00:44:38.576455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c142655dd2715fa7a7962d26287733b66938336fe7cc2c005aac259dd48d0c01

Aliases

arxiv: 1702.01734 · arxiv_version: 1702.01734v2 · doi: 10.48550/arxiv.1702.01734 · pith_short_12: YFBGKXOSOFP2 · pith_short_16: YFBGKXOSOFP2PJ4W · pith_short_8: YFBGKXOS

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/YFBGKXOSOFP2PJ4WFUTCQ5ZTWZ \
  | 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: c142655dd2715fa7a7962d26287733b66938336fe7cc2c005aac259dd48d0c01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28156adf1824ae51f6cb5a596e276ce5e049f8ed283b53a1a56e163d027f75df",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-02-06T18:36:10Z",
    "title_canon_sha256": "af9e118cc1a1a5683e01ca58b3fea0c5881a2a63c27a6fd0c51a26056d517aec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.01734",
    "kind": "arxiv",
    "version": 2
  }
}