Pith Number

pith:25C2O35A

pith:2024:25C2O35AXFTHK5BZSYMJOR6EZ7

not attested not anchored not stored refs pending

Hessian QM9: A quantum chemistry database of molecular Hessians in implicit solvents

Edward O. Pyzer-Knapp, Lara Kabalan, Ljiljana Stojanovic, Nicholas J. Williams, Viktor Zolyomi

arxiv:2408.08006 v1 · 2024-08-15 · physics.chem-ph · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{25C2O35AXFTHK5BZSYMJOR6EZ7}

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	2026-07-05T08:55:43.175103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d745a76fa0b96675743996189747c4cfcf7547db59441d43486e50ff4aebf3f0

Aliases

arxiv: 2408.08006 · arxiv_version: 2408.08006v1 · doi: 10.48550/arxiv.2408.08006 · pith_short_12: 25C2O35AXFTH · pith_short_16: 25C2O35AXFTHK5BZ · pith_short_8: 25C2O35A

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/25C2O35AXFTHK5BZSYMJOR6EZ7 \
  | 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: d745a76fa0b96675743996189747c4cfcf7547db59441d43486e50ff4aebf3f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c04aeec071311638cc61a0240e7f9a95c40db86bcc50d91eba5aef6b75d2d45",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2024-08-15T08:16:11Z",
    "title_canon_sha256": "9c3b297c8a3c9d91898993a4ff55c786f5b9c4e119adf470e326d3a7697da00d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2408.08006",
    "kind": "arxiv",
    "version": 1
  }
}