Pith Number

pith:7Z3SNU5X

pith:2004:7Z3SNU5XHT2PHD2VGOBADLVJHH

not attested not anchored not stored refs pending

Diamond and $\beta$-tin structures of Si studied with quantum Monte Carlo calculations

D. Alf\`e, M. D. Towler, M. J. Gillan (University College London), R. J. Needs (Cavendish Laboratory, University of Cambridge)

arxiv:cond-mat/0407038 v1 · 2004-07-01 · 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{7Z3SNU5XHT2PHD2VGOBADLVJHH}

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	2026-05-18T01:09:02.230727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe7726d3b73cf4f38f55338201aea939f1990551c4a4d4d92ec1cae78ff3d916

Aliases

arxiv: cond-mat/0407038 · arxiv_version: cond-mat/0407038v1 · doi: 10.48550/arxiv.cond-mat/0407038 · pith_short_12: 7Z3SNU5XHT2P · pith_short_16: 7Z3SNU5XHT2PHD2V · pith_short_8: 7Z3SNU5X

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/7Z3SNU5XHT2PHD2VGOBADLVJHH \
  | 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: fe7726d3b73cf4f38f55338201aea939f1990551c4a4d4d92ec1cae78ff3d916

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "485084c641a0a6ec42e06356af2983954f5bc6c535b5ccc2ae087b6dc206ed6e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2004-07-01T16:35:47Z",
    "title_canon_sha256": "99afdc4024baea16db6aea9a01bda4f988e886515c1e6ebe469b42ec51f97ca9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0407038",
    "kind": "arxiv",
    "version": 1
  }
}