Pith Number

pith:SVU3XD5D

pith:2026:SVU3XD5DNNNI5PO5NJSYLVT2OY

not attested not anchored not stored refs pending

Digital signature schemes based on code equivalence and syndrome decoding from restricted errors

Gretchen L. Matthews, Hiram H. L\'opez, Jason T. LeGrow, Sarah Arpin

arxiv:2606.31601 v1 · 2026-06-30 · cs.CR · 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{SVU3XD5DNNNI5PO5NJSYLVT2OY}

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	2026-07-01T01:18:08.792085Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9569bb8fa36b5a8ebddd6a6585d67a76377acdb67c011c9fae7a0efc15cde041

Aliases

arxiv: 2606.31601 · arxiv_version: 2606.31601v1 · doi: 10.48550/arxiv.2606.31601 · pith_short_12: SVU3XD5DNNNI · pith_short_16: SVU3XD5DNNNI5PO5 · pith_short_8: SVU3XD5D

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/SVU3XD5DNNNI5PO5NJSYLVT2OY \
  | 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: 9569bb8fa36b5a8ebddd6a6585d67a76377acdb67c011c9fae7a0efc15cde041

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3f8f0a910401e4a7507f2a47e8aab365a804d898f3f4cf9d6bcdbf39a407b78",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2026-06-30T12:50:55Z",
    "title_canon_sha256": "a9c73209e8ebc071f04d79aaffd0df1bed6e44845e45bbfd1b4c5224f5ed5fe9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31601",
    "kind": "arxiv",
    "version": 1
  }
}