Pith Number

pith:GIAPG7PI

pith:2014:GIAPG7PIHH2EH7TKGRS5MEL4ON

not attested not anchored not stored refs pending

Almost Cover-Free Codes and Designs

Arkadii D'yachkov, Ilya Vorobyev, Nikita Polyanskii, Vladislav Shchukin

arxiv:1410.8566 v5 · 2014-10-30 · 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{GIAPG7PIHH2EH7TKGRS5MEL4ON}

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	2026-05-18T02:20:28.568901Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3200f37de839f443fe6a3465d6117c73553fc87e0bf2b6c9acd4d6ea4886a14e

Aliases

arxiv: 1410.8566 · arxiv_version: 1410.8566v5 · doi: 10.48550/arxiv.1410.8566 · pith_short_12: GIAPG7PIHH2E · pith_short_16: GIAPG7PIHH2EH7TK · pith_short_8: GIAPG7PI

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/GIAPG7PIHH2EH7TKGRS5MEL4ON \
  | 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: 3200f37de839f443fe6a3465d6117c73553fc87e0bf2b6c9acd4d6ea4886a14e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "007ccbc3ce897c0d434d38bbe1c94ba3973febe6c37907323cd721c021d2cbb2",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-10-30T21:30:42Z",
    "title_canon_sha256": "1a61206e803784b1050fc955fe91d066034bee7e5bf8c1c682878ddb01bdacd8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.8566",
    "kind": "arxiv",
    "version": 5
  }
}