Pith Number

pith:R7STRRBY

pith:2026:R7STRRBYR23AE63SKUG6UOZS2K

not attested not anchored not stored refs pending

Subsequence Sums in Permutations

Collier Gaiser, Paul Horn

arxiv:2605.29011 v1 · 2026-05-27 · math.CO · math.NT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R7STRRBYR23AE63SKUG6UOZS2K}

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	2026-05-29T01:04:43.399805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fe538c4388eb6027b72550dea3b32d28862d6c8d0c85679d76d0c3f5784f0a1

Aliases

arxiv: 2605.29011 · arxiv_version: 2605.29011v1 · doi: 10.48550/arxiv.2605.29011 · pith_short_12: R7STRRBYR23A · pith_short_16: R7STRRBYR23AE63S · pith_short_8: R7STRRBY

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/R7STRRBYR23AE63SKUG6UOZS2K \
  | 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: 8fe538c4388eb6027b72550dea3b32d28862d6c8d0c85679d76d0c3f5784f0a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b37256995759060bfb0f1c04c5bab7aaa9fe1e72bc976b3482ee4204eb3e6ad4",
    "cross_cats_sorted": [
      "math.NT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2026-05-27T19:08:25Z",
    "title_canon_sha256": "f3e1b146729bdf02eb3f7b33955592a98c85f5057923b859850bf2403b9cb94e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.29011",
    "kind": "arxiv",
    "version": 1
  }
}