Pith Number

pith:OVCR63RM

pith:2020:OVCR63RM7B7OFVUG2TKJAK6WIN

not attested not anchored not stored refs pending

Improved List-Decodability of Reed--Solomon Codes via Tree Packings

Chong Shangguan, Itzhak Tamo, Mary Wootters, Ray Li, Zeyu Guo

arxiv:2011.04453 v2 · 2020-11-09 · 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{OVCR63RM7B7OFVUG2TKJAK6WIN}

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	2026-07-05T07:27:39.359059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75451f6e2cf87ee2d686d4d4902bd6436a45fb4f36e9f78dede995caa0749bd3

Aliases

arxiv: 2011.04453 · arxiv_version: 2011.04453v2 · doi: 10.48550/arxiv.2011.04453 · pith_short_12: OVCR63RM7B7O · pith_short_16: OVCR63RM7B7OFVUG · pith_short_8: OVCR63RM

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/OVCR63RM7B7OFVUG2TKJAK6WIN \
  | 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: 75451f6e2cf87ee2d686d4d4902bd6436a45fb4f36e9f78dede995caa0749bd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f3f5d7875a37de323a46859035c1cc0dc9994eda3133a26b5955de0b01e5d92",
    "cross_cats_sorted": [
      "math.CO",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2020-11-09T14:22:37Z",
    "title_canon_sha256": "6f48aaa9aeafd3541ead280cd3a99635f1df2b8b9ce2e7397cbac14fe57dec8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.04453",
    "kind": "arxiv",
    "version": 2
  }
}