Pith Number

pith:3JCMAFZ4

pith:2010:3JCMAFZ4D3SSNA4ZJR3P3X5YY6

not attested not anchored not stored refs pending

A numerical projection technique for large-scale eigenvalue problems

Gundolf Haase, Ralf Gamillscheg, Wolfgang von der Linden

arxiv:1008.1208 v1 · 2010-08-06 · cond-mat.str-el · 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{3JCMAFZ4D3SSNA4ZJR3P3X5YY6}

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	2026-05-18T02:05:58.343970Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da44c0173c1ee52683994c76fddfb8c7865785d5196547cf0ba0bf36a4a97200

Aliases

arxiv: 1008.1208 · arxiv_version: 1008.1208v1 · doi: 10.48550/arxiv.1008.1208 · pith_short_12: 3JCMAFZ4D3SS · pith_short_16: 3JCMAFZ4D3SSNA4Z · pith_short_8: 3JCMAFZ4

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/3JCMAFZ4D3SSNA4ZJR3P3X5YY6 \
  | 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: da44c0173c1ee52683994c76fddfb8c7865785d5196547cf0ba0bf36a4a97200

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e14e881bc8606f84660db3966497b9edf268c2cbf20881bcc11e517280db678",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2010-08-06T14:33:35Z",
    "title_canon_sha256": "4d34d61c07164a1b7f877e78a37ef10ba5e483a879d16195dbe32a443111e31e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.1208",
    "kind": "arxiv",
    "version": 1
  }
}