Pith Number

pith:ZEVKDZRS

pith:2016:ZEVKDZRS6PZLCNKK4PWAX6SLX3

not attested not anchored not stored refs pending

Locally Recoverable Codes with Availability $t\geq 2$ from Fiber Products of Curves

Beth Malmskog, Gretchen Matthews, Kathryn Haymaker

arxiv:1612.03841 v4 · 2016-12-12 · math.NT · 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{ZEVKDZRS6PZLCNKK4PWAX6SLX3}

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	2026-05-18T00:08:00.972840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c92aa1e632f3f2b1354ae3ec0bfa4bbec306591e3a67da4fc3d14d74a2ec5458

Aliases

arxiv: 1612.03841 · arxiv_version: 1612.03841v4 · doi: 10.48550/arxiv.1612.03841 · pith_short_12: ZEVKDZRS6PZL · pith_short_16: ZEVKDZRS6PZLCNKK · pith_short_8: ZEVKDZRS

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/ZEVKDZRS6PZLCNKK4PWAX6SLX3 \
  | 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: c92aa1e632f3f2b1354ae3ec0bfa4bbec306591e3a67da4fc3d14d74a2ec5458

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ca5a9a187a42b0e2b0ddbdd06d36b4ae402d772e6e52e20271cd456b0c7c285",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2016-12-12T18:40:21Z",
    "title_canon_sha256": "c1e62f8e0dfd4a2f0801332a63429d44b6bca0e3fbb492199e78a7e8a1d5d493"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.03841",
    "kind": "arxiv",
    "version": 4
  }
}