Pith Number

pith:M47FWBGZ

pith:2017:M47FWBGZRJKJPFDNDBVFMA7QFN

not attested not anchored not stored refs pending

On-the-fly computation of frontal orbitals in density matrix expansions

Anastasia Kruchinina, Elias Rudberg, Emanuel H. Rubensson

arxiv:1709.04900 v1 · 2017-09-14 · 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{M47FWBGZRJKJPFDNDBVFMA7QFN}

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	2026-05-18T00:26:12.623983Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

673e5b04d98a5497946d186a5603f02b4d1f1e2b2d9c876865febbf8198da9dc

Aliases

arxiv: 1709.04900 · arxiv_version: 1709.04900v1 · doi: 10.48550/arxiv.1709.04900 · pith_short_12: M47FWBGZRJKJ · pith_short_16: M47FWBGZRJKJPFDN · pith_short_8: M47FWBGZ

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/M47FWBGZRJKJPFDNDBVFMA7QFN \
  | 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: 673e5b04d98a5497946d186a5603f02b4d1f1e2b2d9c876865febbf8198da9dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0009a342bd09d3f0ca45236075be8c8a5f3d881ad7f0b72107a40ff0c6341f20",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2017-09-14T17:43:36Z",
    "title_canon_sha256": "6e5b476b3e695b8cd507d416a9a07c2bbaed8a0e375b5269f3a49775f77c69f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.04900",
    "kind": "arxiv",
    "version": 1
  }
}