Pith Number

pith:4VHBCIVR

pith:2026:4VHBCIVREI23OB44D3FSKLRWKR

not attested not anchored not stored refs pending

Remarks on Johnson-type Bounds for Insdel Codes

Yulin Yang

arxiv:2605.25090 v1 · 2026-05-24 · 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{4VHBCIVREI23OB44D3FSKLRWKR}

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	2026-05-26T02:03:39.430616Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e54e1122b12235b7079c1ecb252e365477a0338f62a0bb5df8ac78c592a5f582

Aliases

arxiv: 2605.25090 · arxiv_version: 2605.25090v1 · doi: 10.48550/arxiv.2605.25090 · pith_short_12: 4VHBCIVREI23 · pith_short_16: 4VHBCIVREI23OB44 · pith_short_8: 4VHBCIVR

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/4VHBCIVREI23OB44D3FSKLRWKR \
  | 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: e54e1122b12235b7079c1ecb252e365477a0338f62a0bb5df8ac78c592a5f582

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e062fc38806b82e0cf2e769194f11219a3760a4c2b6aa940ee1ad60192bf47aa",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2026-05-24T14:10:55Z",
    "title_canon_sha256": "8b2e9594386178026777e6c7ef48585fb624dba0bf9105a6ef80f791ba446dcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.25090",
    "kind": "arxiv",
    "version": 1
  }
}