Pith Number

pith:BWZZGLKU

pith:2025:BWZZGLKUVELFIL57JITW4S7SJ7

not attested not anchored not stored refs pending

douka: A universal platform of data assimilation for materials modeling

Aoi Watanabe, Ikuya Kinefuchi, Ryuhei Sato, Yasushi Shibuta

arxiv:2504.10913 v1 · 2025-04-15 · cond-mat.mtrl-sci · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BWZZGLKUVELFIL57JITW4S7SJ7}

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	2026-07-05T10:49:26.269761Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0db3932d54a916542fbf4a276e4bf24fd989b3df6f161706d7125d53e6375974

Aliases

arxiv: 2504.10913 · arxiv_version: 2504.10913v1 · doi: 10.48550/arxiv.2504.10913 · pith_short_12: BWZZGLKUVELF · pith_short_16: BWZZGLKUVELFIL57 · pith_short_8: BWZZGLKU

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/BWZZGLKUVELFIL57JITW4S7SJ7 \
  | 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: 0db3932d54a916542fbf4a276e4bf24fd989b3df6f161706d7125d53e6375974

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d830b80dd88f587f700206a02e54e90f744d375340fe10ab65c1d19cc48c2d3f",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2025-04-15T06:49:24Z",
    "title_canon_sha256": "9c99cd9cee0af9f589b4a30c53922fc631b6330946338248f4ca996491cfe22b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.10913",
    "kind": "arxiv",
    "version": 1
  }
}