Pith Number

pith:JHSKCNUC

pith:2005:JHSKCNUCFUOKNSUWSTZWLF25LO

not attested not anchored not stored refs pending

A bound on Grassmannian codes

Alexander Barg, Dmitry Nogin

arxiv:cs/0512024 v1 · 2005-12-06 · cs.IT · math.IT · math.MG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JHSKCNUCFUOKNSUWSTZWLF25LO}

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	2026-05-17T23:46:22.327813Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49e4a136822d1ca6ca9694f365975d5b9c9061c0d4886f33e8a4d1b8c4790890

Aliases

arxiv: cs/0512024 · arxiv_version: cs/0512024v1 · doi: 10.48550/arxiv.cs/0512024 · pith_short_12: JHSKCNUCFUOK · pith_short_16: JHSKCNUCFUOKNSUW · pith_short_8: JHSKCNUC

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/JHSKCNUCFUOKNSUWSTZWLF25LO \
  | 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: 49e4a136822d1ca6ca9694f365975d5b9c9061c0d4886f33e8a4d1b8c4790890

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b671bfb6f570adfc56e97a5b850f03f36eb8492f676ae0ca767d9588f373323a",
    "cross_cats_sorted": [
      "math.IT",
      "math.MG"
    ],
    "license": "",
    "primary_cat": "cs.IT",
    "submitted_at": "2005-12-06T04:30:57Z",
    "title_canon_sha256": "bd21e3389e960203bf5183be5942cda867735a72e90dee8c42a5087cf15dc560"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0512024",
    "kind": "arxiv",
    "version": 1
  }
}