Pith Number

pith:OBIVUPBW

pith:2023:OBIVUPBW2ZPVLHHX6AKLEL64DE

not attested not anchored not stored refs pending

Quad Squares

Adam Ge, Aika Oki, Daniel Wu, Evin Liang, Hwiseo (Irene) Choi, Michael Yang, Nikhil Byrapuram, Rajarshi Mandal, Selena Ge, Sylvia Zia Lee, Tanya Khovanova

arxiv:2308.07455 v1 · 2023-08-14 · math.HO · 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{OBIVUPBW2ZPVLHHX6AKLEL64DE}

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	2026-07-05T06:41:42.079966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70515a3c36d65f559cf7f014b22fdc1913f0b8dbfda19669659c05d702516acf

Aliases

arxiv: 2308.07455 · arxiv_version: 2308.07455v1 · doi: 10.48550/arxiv.2308.07455 · pith_short_12: OBIVUPBW2ZPV · pith_short_16: OBIVUPBW2ZPVLHHX · pith_short_8: OBIVUPBW

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/OBIVUPBW2ZPVLHHX6AKLEL64DE \
  | 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: 70515a3c36d65f559cf7f014b22fdc1913f0b8dbfda19669659c05d702516acf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fc90ddbed00873697ccd0542913957d909514b687d933b937dc1f2afb2d77b7",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2023-08-14T20:49:36Z",
    "title_canon_sha256": "5c26ac1371c41dec05f3cff65e1ecfa235fa67efde03064bf521416000ce108b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.07455",
    "kind": "arxiv",
    "version": 1
  }
}