pith. sign in
Pith Number

pith:XDZEAJDA

pith:2012:XDZEAJDAYT2TF57XWBAEB6X4EC
not attested not anchored not stored refs pending

Non-asymptotic Upper Bounds for Deletion Correcting Codes

Ankur A. Kulkarni, Negar Kiyavash

arxiv:1211.3128 v1 · 2012-11-13 · cs.IT · math.CO · math.IT · math.NT · math.OC

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{XDZEAJDAYT2TF57XWBAEB6X4EC}

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 2026-05-18T03:40:50.796072Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b8f2402460c4f532f7f7b04040fafc20bfbeb3917e1ad2ce5940f12eaf5fa6bc

Aliases

arxiv: 1211.3128 · arxiv_version: 1211.3128v1 · doi: 10.48550/arxiv.1211.3128 · pith_short_12: XDZEAJDAYT2T · pith_short_16: XDZEAJDAYT2TF57X · pith_short_8: XDZEAJDA
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/XDZEAJDAYT2TF57XWBAEB6X4EC \
  | 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: b8f2402460c4f532f7f7b04040fafc20bfbeb3917e1ad2ce5940f12eaf5fa6bc
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "4cbc5606a3726ed9cb181ccd24a2fb438ac9354158eac7fbadc8f4e7e05939ab",
    "cross_cats_sorted": [
      "math.CO",
      "math.IT",
      "math.NT",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-11-13T21:02:06Z",
    "title_canon_sha256": "8641ab2afac223081d3e806f4efc83a0db307123bc48412c25d638e45c07fcd4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.3128",
    "kind": "arxiv",
    "version": 1
  }
}