Pith Number

pith:PACQVE5F

pith:2026:PACQVE5FR74GFUOZ6BWBAH27OC

not attested not anchored not stored refs pending

List Reconstruction Problem with List Size Two

(2) National University of Singapore, Binh Vu (1), Hanoi, Shuche Wang (2), Singapore), Van Khu Vu (1) ((1) VinUniversity, Vietnam

arxiv:2605.23638 v1 · 2026-05-22 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PACQVE5FR74GFUOZ6BWBAH27OC}

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	2026-05-25T02:02:23.306944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78050a93a58ff862d1d9f06c101f5f70b539abc5919437cc099808f63eebd115

Aliases

arxiv: 2605.23638 · arxiv_version: 2605.23638v1 · doi: 10.48550/arxiv.2605.23638 · pith_short_12: PACQVE5FR74G · pith_short_16: PACQVE5FR74GFUOZ · pith_short_8: PACQVE5F

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/PACQVE5FR74GFUOZ6BWBAH27OC \
  | 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: 78050a93a58ff862d1d9f06c101f5f70b539abc5919437cc099808f63eebd115

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d262107a5abf925c0698a9646ee8286c9d02ed740913074bf704413f131b9772",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2026-05-22T13:52:06Z",
    "title_canon_sha256": "fc7b28883fe69fe0bfc7e6876131ed8f9f78c0495def7e6f65a17dbe3e70e381"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.23638",
    "kind": "arxiv",
    "version": 1
  }
}