Pith Number

pith:7PF45ERP

pith:1999:7PF45ERPI3MCSZLMKJ66G6EIEJ

not attested not anchored not stored refs pending

One-way multigrid method in electronic structure calculations

In-Ho Lee, Richard Martin, Yong-Hoon Kim

arxiv:physics/9911030 v1 · 1999-11-15 · physics.comp-ph · 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{7PF45ERPI3MCSZLMKJ66G6EIEJ}

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	2026-05-18T01:23:32.488962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbcbce922f46d829656c527de37888226546ebfe799e34622afd261df5fb3a25

Aliases

arxiv: physics/9911030 · arxiv_version: physics/9911030v1 · doi: 10.48550/arxiv.physics/9911030 · pith_short_12: 7PF45ERPI3MC · pith_short_16: 7PF45ERPI3MCSZLM · pith_short_8: 7PF45ERP

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/7PF45ERPI3MCSZLMKJ66G6EIEJ \
  | 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: fbcbce922f46d829656c527de37888226546ebfe799e34622afd261df5fb3a25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eab49df9bc0fdba892011dd5851271b7e596603250277767353138edaff7eb74",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "1999-11-15T04:14:08Z",
    "title_canon_sha256": "93d924538c40728d42990c6815069ab31615a515a4e884289884c843e7ea849f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/9911030",
    "kind": "arxiv",
    "version": 1
  }
}