Pith Number

pith:PAUFFSI5

pith:2018:PAUFFSI5TLA2ONGTEQ6RASQHNC

not attested not anchored not stored refs pending

Optimization of highly excited matrix product states with an application to vibrational spectroscopy

Alberto Baiardi, Christopher J. Stein, Markus Reiher, Vincenzo Barone

arxiv:1810.08044 v2 · 2018-10-18 · physics.comp-ph · physics.chem-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{PAUFFSI5TLA2ONGTEQ6RASQHNC}

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	2026-05-17T23:45:20.582125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

782852c91d9ac1a734d3243d104a0768aa14c84134d5fce407865b8f34d18664

Aliases

arxiv: 1810.08044 · arxiv_version: 1810.08044v2 · doi: 10.48550/arxiv.1810.08044 · pith_short_12: PAUFFSI5TLA2 · pith_short_16: PAUFFSI5TLA2ONGT · pith_short_8: PAUFFSI5

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/PAUFFSI5TLA2ONGTEQ6RASQHNC \
  | 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: 782852c91d9ac1a734d3243d104a0768aa14c84134d5fce407865b8f34d18664

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae56ecf1de386944ac6fe2acf599e6429ee087105c909dd4b1edbb54138855e0",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2018-10-18T13:40:19Z",
    "title_canon_sha256": "db257125f10244b116089985df0c5f2a31b476507d700790e17a28b39e84306a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.08044",
    "kind": "arxiv",
    "version": 2
  }
}