Pith Number

pith:T6S3FUMS

pith:2016:T6S3FUMSUNH63NJ5OJB6TA33E3

not attested not anchored not stored refs pending

Deep holes and MDS extensions of Reed-Solomon codes

Krishna Kaipa

arxiv:1612.05447 v1 · 2016-12-16 · cs.IT · math.CO · 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{T6S3FUMSUNH63NJ5OJB6TA33E3}

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	2026-05-18T00:54:51.762500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fa5b2d192a34fedb53d7243e9837b26fff132f58ae96d332b5373f68ab9bbe5

Aliases

arxiv: 1612.05447 · arxiv_version: 1612.05447v1 · doi: 10.48550/arxiv.1612.05447 · pith_short_12: T6S3FUMSUNH6 · pith_short_16: T6S3FUMSUNH63NJ5 · pith_short_8: T6S3FUMS

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/T6S3FUMSUNH63NJ5OJB6TA33E3 \
  | 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: 9fa5b2d192a34fedb53d7243e9837b26fff132f58ae96d332b5373f68ab9bbe5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d262b73d47f6612fdc9d98473f74c0f79faed136a1cc1cf591351f14762a829b",
    "cross_cats_sorted": [
      "math.CO",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-12-16T12:47:48Z",
    "title_canon_sha256": "0aede2b49e30626369e63e382e32ae9664a3133fdb07b25577ac62a26a3b163f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.05447",
    "kind": "arxiv",
    "version": 1
  }
}