Pith Number

pith:4U5D6DHN

pith:2016:4U5D6DHNDVBEMNHPCLORRCSQID

not attested not anchored not stored refs pending

On Deep Holes of Projective Reed-Solomon Codes

Daqing Wan, Jun Zhang

arxiv:1605.02423 v1 · 2016-05-09 · 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{4U5D6DHNDVBEMNHPCLORRCSQID}

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	2026-05-18T01:15:21.037650Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e53a3f0ced1d424634ef12dd188a5040c9eed4873af00634f8f992d9cb655c19

Aliases

arxiv: 1605.02423 · arxiv_version: 1605.02423v1 · doi: 10.48550/arxiv.1605.02423 · pith_short_12: 4U5D6DHNDVBE · pith_short_16: 4U5D6DHNDVBEMNHP · pith_short_8: 4U5D6DHN

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/4U5D6DHNDVBEMNHPCLORRCSQID \
  | 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: e53a3f0ced1d424634ef12dd188a5040c9eed4873af00634f8f992d9cb655c19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14613555972172116eb97995602ad925a73746078be54dae6c818cf21c947c0d",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-05-09T05:41:24Z",
    "title_canon_sha256": "fe7ff10bd3038fb7b3ee25144667463e12b97a18a89c2d92b3e57c7fa992ed88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.02423",
    "kind": "arxiv",
    "version": 1
  }
}