Pith Number

pith:UGVJZEUS

pith:2015:UGVJZEUS6SPBBL4TVYOSBXGPCK

not attested not anchored not stored refs pending

On Locally Recoverable (LRC) Codes

Mario Blaum

arxiv:1512.06161 v1 · 2015-12-18 · 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{UGVJZEUS6SPBBL4TVYOSBXGPCK}

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	2026-05-18T01:24:04.987767Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1aa9c9292f49e10af93ae1d20dccf128604228cd5adf4971003b1fc7b3f404e

Aliases

arxiv: 1512.06161 · arxiv_version: 1512.06161v1 · doi: 10.48550/arxiv.1512.06161 · pith_short_12: UGVJZEUS6SPB · pith_short_16: UGVJZEUS6SPBBL4T · pith_short_8: UGVJZEUS

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/UGVJZEUS6SPBBL4TVYOSBXGPCK \
  | 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: a1aa9c9292f49e10af93ae1d20dccf128604228cd5adf4971003b1fc7b3f404e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2eb96b3b1bb98ff0d091979827d271f90514caef085e5a1b7199b7bb8d2cc28d",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-12-18T23:08:30Z",
    "title_canon_sha256": "70d83f80effb50cb0eb3790186ad3b46de2e682a2c35bc8468cfecddda93c153"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.06161",
    "kind": "arxiv",
    "version": 1
  }
}