Pith Number

pith:MILPG6T2

pith:2023:MILPG6T26VKAQWZ4E3ZIUCHIMN

not attested not anchored not stored refs pending

A distributed multi-GPU ab initio density matrix renormalization group algorithm with applications to the P-cluster of nitrogenase

Chunyang Xiang, Wei-Hai Fang, Weile Jia, Zhendong Li

arxiv:2311.02854 v2 · 2023-11-06 · physics.chem-ph · quant-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{MILPG6T26VKAQWZ4E3ZIUCHIMN}

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	2026-07-05T07:26:41.070626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6216f37a7af554085b3c26f28a08e8636f9d5876fd7f628aa26e5c6d0dd98a43

Aliases

arxiv: 2311.02854 · arxiv_version: 2311.02854v2 · doi: 10.48550/arxiv.2311.02854 · pith_short_12: MILPG6T26VKA · pith_short_16: MILPG6T26VKAQWZ4 · pith_short_8: MILPG6T2

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/MILPG6T26VKAQWZ4E3ZIUCHIMN \
  | 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: 6216f37a7af554085b3c26f28a08e8636f9d5876fd7f628aa26e5c6d0dd98a43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96c040da5051652f389b2e657fff467961c3f79133799e6bfb1d3188e7ac13cc",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2023-11-06T04:01:26Z",
    "title_canon_sha256": "de009592b9f767f4a0c5a27668e6536dbc04bbe705531de8765db38415867217"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2311.02854",
    "kind": "arxiv",
    "version": 2
  }
}