Pith Number

pith:47OF5D7B

pith:2012:47OF5D7BNXA6JAEFTSJ6OWRUDQ

not attested not anchored not stored refs pending

On deep holes of generalized Reed-Solomon codes

Rongjun Wu, Shaofang Hong

arxiv:1205.7016 v2 · 2012-05-31 · 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{47OF5D7BNXA6JAEFTSJ6OWRUDQ}

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	2026-05-18T01:11:44.057987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7dc5e8fe16dc1e480859c93e75a341c0f254416b156c5b0c2f9114444f5c792

Aliases

arxiv: 1205.7016 · arxiv_version: 1205.7016v2 · doi: 10.48550/arxiv.1205.7016 · pith_short_12: 47OF5D7BNXA6 · pith_short_16: 47OF5D7BNXA6JAEF · pith_short_8: 47OF5D7B

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/47OF5D7BNXA6JAEFTSJ6OWRUDQ \
  | 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: e7dc5e8fe16dc1e480859c93e75a341c0f254416b156c5b0c2f9114444f5c792

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bef9b28ec619c1fcf1d4e7d26d3c210107cf270566d05513b4086dfcc6691ef0",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2012-05-31T15:12:13Z",
    "title_canon_sha256": "c08cfefc083e1d5d1f5ee59a5c9f690c7c048cfde71c0a262a487297009c74d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.7016",
    "kind": "arxiv",
    "version": 2
  }
}