Pith Number

pith:DU2PQIWU

pith:2026:DU2PQIWU3SDKDCQISIT3ZG2BLC

not attested not anchored not stored refs pending

optimade-maker: Automated generation of interoperable materials APIs from static data

Bud Macaulay, Gian-Marco Rignanese, Giovanni Pizzi, Jusong Yu, Kristjan Eimre, Matthew L. Evans, Nicola Marzari, Xing Wang

arxiv:2603.23536 v1 · 2026-03-12 · cs.DB · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DU2PQIWU3SDKDCQISIT3ZG2BLC}

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	2026-05-20T02:05:42.491560Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d34f822d4dc86a18a089227bc9b41589f9b19056b9e7ad87ede41d9edcc3d92

Aliases

arxiv: 2603.23536 · arxiv_version: 2603.23536v1 · doi: 10.48550/arxiv.2603.23536 · pith_short_12: DU2PQIWU3SDK · pith_short_16: DU2PQIWU3SDKDCQI · pith_short_8: DU2PQIWU

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/DU2PQIWU3SDKDCQISIT3ZG2BLC \
  | 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: 1d34f822d4dc86a18a089227bc9b41589f9b19056b9e7ad87ede41d9edcc3d92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db288b605a8c3f9e532de985553267a1deecc28b90f96f252c95653543378b2b",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2026-03-12T16:48:41Z",
    "title_canon_sha256": "62bd39f87f3949245e7896d8daf3acd94798b31576fb38d487026dbb4bec3e24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.23536",
    "kind": "arxiv",
    "version": 1
  }
}