Pith Number

pith:JNIANZ7C

pith:2018:JNIANZ7C6GZVLFBFBGFULNBZXY

not attested not anchored not stored refs pending

A density matrix approach to the convergence of the self-consistent field iteration

Elias Jarlebring, Emanuel H. Rubensson, Parikshit Upadhyaya

arxiv:1809.02183 v3 · 2018-09-06 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JNIANZ7C6GZVLFBFBGFULNBZXY}

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	2026-05-18T00:00:08.073240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b5006e7e2f1b3559425098b45b439be185b898427aa0dcf53520224f1ec70f1

Aliases

arxiv: 1809.02183 · arxiv_version: 1809.02183v3 · doi: 10.48550/arxiv.1809.02183 · pith_short_12: JNIANZ7C6GZV · pith_short_16: JNIANZ7C6GZVLFBF · pith_short_8: JNIANZ7C

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/JNIANZ7C6GZVLFBFBGFULNBZXY \
  | 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: 4b5006e7e2f1b3559425098b45b439be185b898427aa0dcf53520224f1ec70f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9d96cb119817d9ca23c77013f837666c26c0673ad8f8a091ac3c20f0b81867d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-09-06T19:27:15Z",
    "title_canon_sha256": "b0fe850ab5e41f8408d9d06f97a61d848e30a5d132643fc26ebcc510fe3499d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.02183",
    "kind": "arxiv",
    "version": 3
  }
}