Pith Number

pith:W4SUAPVD

pith:2020:W4SUAPVD6NIM77IHWKPSXHR26Y

not attested not anchored not stored refs pending

On the list recoverability of randomly punctured codes

Aditya Potukuchi, Ben Lund

arxiv:2005.02478 v3 · 2020-05-04 · math.CO · cs.CC · cs.DM · 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{W4SUAPVD6NIM77IHWKPSXHR26Y}

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.

Cited by

1 paper in Pith

Decoding Insertions/Deletions via List Recovery

Receipt and verification

First computed	2026-07-05T01:16:14.936136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b725403ea3f350cffd07b29f2b9e3af60405665b3d1e64f5ad2599ad9ec63ddf

Aliases

arxiv: 2005.02478 · arxiv_version: 2005.02478v3 · doi: 10.48550/arxiv.2005.02478 · pith_short_12: W4SUAPVD6NIM · pith_short_16: W4SUAPVD6NIM77IH · pith_short_8: W4SUAPVD

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/W4SUAPVD6NIM77IHWKPSXHR26Y \
  | 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: b725403ea3f350cffd07b29f2b9e3af60405665b3d1e64f5ad2599ad9ec63ddf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "430fd4773dbe5404cb772331f7254656079a78e876617c04ec59f43e1a4ba0e2",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DM",
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2020-05-04T17:42:56Z",
    "title_canon_sha256": "76413c8600e4410fe70744c162b2979b25feae47872ba455d75eecc33fbbe237"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.02478",
    "kind": "arxiv",
    "version": 3
  }
}