Pith Number

pith:OYZNIMSG

pith:2018:OYZNIMSGCR74LWYTFWD7NS4XPN

not attested not anchored not stored refs pending

Sparse Low Rank Approximation of Potential Energy Surfaces with Applications in Estimation of Anharmonic Zero Point Energies and Frequencies

Habib Najm, Khachik Sargsyan, Prashant Rai, So Hirata

arxiv:1808.02922 v1 · 2018-08-08 · 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{OYZNIMSGCR74LWYTFWD7NS4XPN}

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	2026-05-18T00:08:30.647887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7632d43246147fc5db132d87f6cb977b5ca1a71c398b2f66b0a7c2fea3af07b4

Aliases

arxiv: 1808.02922 · arxiv_version: 1808.02922v1 · doi: 10.48550/arxiv.1808.02922 · pith_short_12: OYZNIMSGCR74 · pith_short_16: OYZNIMSGCR74LWYT · pith_short_8: OYZNIMSG

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/OYZNIMSGCR74LWYTFWD7NS4XPN \
  | 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: 7632d43246147fc5db132d87f6cb977b5ca1a71c398b2f66b0a7c2fea3af07b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b72df0844a19a51046bb07e4f5d9ae1b9a6083896219e8e48df31a28bfdf78e9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2018-08-08T19:54:00Z",
    "title_canon_sha256": "07705432d7524bcca768666328142bf4ec1149ebb9dd7f278e8028570909e555"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02922",
    "kind": "arxiv",
    "version": 1
  }
}