Pith Number

pith:VADNNGJL

pith:2015:VADNNGJLQ3FCOMR3FLIWDWDJK4

not attested not anchored not stored refs pending

Bounds on the Parameters of Locally Recoverable Codes

Alexander Barg, Alexey Frolov, Itzhak Tamo

arxiv:1506.07196 v2 · 2015-06-23 · 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{VADNNGJLQ3FCOMR3FLIWDWDJK4}

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	2026-05-18T01:19:20.505073Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a806d6992b86ca27323b2ad161d869572a81496810dad6ddc979be601c46992c

Aliases

arxiv: 1506.07196 · arxiv_version: 1506.07196v2 · doi: 10.48550/arxiv.1506.07196 · pith_short_12: VADNNGJLQ3FC · pith_short_16: VADNNGJLQ3FCOMR3 · pith_short_8: VADNNGJL

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/VADNNGJLQ3FCOMR3FLIWDWDJK4 \
  | 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: a806d6992b86ca27323b2ad161d869572a81496810dad6ddc979be601c46992c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21bdefabefb08a652102f020a56ec56c403ed771bf516395ed368f772bae2d22",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-06-23T20:42:27Z",
    "title_canon_sha256": "746b70f5ff6040c221dea09d9f29541ab06649f69a7539af04f8b826de594be0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.07196",
    "kind": "arxiv",
    "version": 2
  }
}