Pith Number

pith:5RTSZ7AB

pith:2017:5RTSZ7AB23KT5365ZHL5NNFVIT

not attested not anchored not stored refs pending

Asymptotic bounds for the sizes of constant dimension codes and an improved lower bound

Daniel Heinlein, Sascha Kurz

arxiv:1705.03835 v1 · 2017-05-10 · math.CO · 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{5RTSZ7AB23KT5365ZHL5NNFVIT}

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	2026-05-18T00:28:55.775683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec672cfc01d6d53eefddc9d7d6b4b544fa20c698954e235d0183935a335afd92

Aliases

arxiv: 1705.03835 · arxiv_version: 1705.03835v1 · doi: 10.48550/arxiv.1705.03835 · pith_short_12: 5RTSZ7AB23KT · pith_short_16: 5RTSZ7AB23KT5365 · pith_short_8: 5RTSZ7AB

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/5RTSZ7AB23KT5365ZHL5NNFVIT \
  | 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: ec672cfc01d6d53eefddc9d7d6b4b544fa20c698954e235d0183935a335afd92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74379f0f8a29f1c3c5c373dbb037d5809c13d646d6c83bb885119c3fa4f52270",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-05-10T15:59:03Z",
    "title_canon_sha256": "82592ae238a9be34bffbce099255c285d2be22cf9fceb984b25977b6f8e5092f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.03835",
    "kind": "arxiv",
    "version": 1
  }
}