Pith Number

pith:4N6ALX6F

pith:2019:4N6ALX6FCCW6NQB7SVCBPAPGNW

not attested not anchored not stored refs pending

MDS codes over finite fields

Ted Hurley

arxiv:1903.05265 v1 · 2019-03-12 · 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{4N6ALX6FCCW6NQB7SVCBPAPGNW}

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	2026-05-17T23:51:24.865680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e37c05dfc510ade6c03f95441781e66d9372deb6a0b5525ed2d37fc27929ef2c

Aliases

arxiv: 1903.05265 · arxiv_version: 1903.05265v1 · doi: 10.48550/arxiv.1903.05265 · pith_short_12: 4N6ALX6FCCW6 · pith_short_16: 4N6ALX6FCCW6NQB7 · pith_short_8: 4N6ALX6F

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/4N6ALX6FCCW6NQB7SVCBPAPGNW \
  | 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: e37c05dfc510ade6c03f95441781e66d9372deb6a0b5525ed2d37fc27929ef2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7583a5e4814a9c1c474ce3f01b35c8ad8383b707ec8e3c40e5756b5ba0a1efd",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-03-12T23:45:06Z",
    "title_canon_sha256": "38cf7d4be3a23f58192652e55628d083d97dd2703af64aa908857a10a6b6c110"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05265",
    "kind": "arxiv",
    "version": 1
  }
}