Pith Number

pith:76JODAJ5

pith:2019:76JODAJ55RXGURAXQOZAPYIPAF

not attested not anchored not stored refs pending

Generalized Sphere-Packing Bound for Subblock-Constrained Codes

Anshoo Tandon, Han Mao Kiah, Mehul Motani

arxiv:1901.00387 v1 · 2019-01-02 · 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{76JODAJ55RXGURAXQOZAPYIPAF}

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	2026-05-17T23:57:04.013292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff92e1813dec6e6a441783b207e10f0165c1b3f0906f2a9773ec5ff00d66166b

Aliases

arxiv: 1901.00387 · arxiv_version: 1901.00387v1 · doi: 10.48550/arxiv.1901.00387 · pith_short_12: 76JODAJ55RXG · pith_short_16: 76JODAJ55RXGURAX · pith_short_8: 76JODAJ5

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/76JODAJ55RXGURAXQOZAPYIPAF \
  | 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: ff92e1813dec6e6a441783b207e10f0165c1b3f0906f2a9773ec5ff00d66166b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a817eb932b966930efd5b97d7e30796fa575caa412adc7481a793b6acc376389",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-01-02T14:16:32Z",
    "title_canon_sha256": "e78a4dc6e9e52ca2c28fbfba13ff0a59237dc92118baa3c4ab55ef099b44cd98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.00387",
    "kind": "arxiv",
    "version": 1
  }
}