Pith Number

pith:UW45GL3X

pith:2015:UW45GL3XQODXRWJNY7DVRARK7D

not attested not anchored not stored refs pending

Locally Repairable Codes with Functional Repair and Multiple Erasure Tolerance

Chau Yuen, Wentu Song

arxiv:1507.02796 v3 · 2015-07-10 · 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{UW45GL3XQODXRWJNY7DVRARK7D}

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	2026-05-18T01:36:08.966490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5b9d32f77838778d92dc7c758822af8f28c9e6176c49dac410a72663632631b

Aliases

arxiv: 1507.02796 · arxiv_version: 1507.02796v3 · doi: 10.48550/arxiv.1507.02796 · pith_short_12: UW45GL3XQODX · pith_short_16: UW45GL3XQODXRWJN · pith_short_8: UW45GL3X

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/UW45GL3XQODXRWJNY7DVRARK7D \
  | 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: a5b9d32f77838778d92dc7c758822af8f28c9e6176c49dac410a72663632631b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81d2a8a715506b43e47aa86c5f134f2974591306b9cbabff849d362c37173357",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-07-10T07:50:09Z",
    "title_canon_sha256": "195a4bc8be005d897fcd9ec130d977b35e9254cdc3d472355c4fe9cad6ade54f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02796",
    "kind": "arxiv",
    "version": 3
  }
}