pith. sign in
Pith Number

pith:ILQH56QM

pith:2008:ILQH56QMF5R2UF2MDZH5WI6YX5
not attested not anchored not stored refs pending

Efficient model chemistries for peptides. II. Basis set convergence in the B3LYP method

Gregory A. Chass, Pablo Echenique

arxiv:0811.1271 v2 · 2008-11-08 · q-bio.QM · cond-mat.soft · q-bio.BM

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ILQH56QMF5R2UF2MDZH5WI6YX5}

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 2026-07-04T15:16:17.648789Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

42e07efa0c2f63aa174c1e4fdb23d8bf6784ba3d02092ce3fab02eb01c10716b

Aliases

arxiv: 0811.1271 · arxiv_version: 0811.1271v2 · doi: 10.48550/arxiv.0811.1271 · pith_short_12: ILQH56QMF5R2 · pith_short_16: ILQH56QMF5R2UF2M · pith_short_8: ILQH56QM
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ILQH56QMF5R2UF2MDZH5WI6YX5 \
  | 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: 42e07efa0c2f63aa174c1e4fdb23d8bf6784ba3d02092ce3fab02eb01c10716b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "61727b544362d4c701c72aeff451ca4407e49284bb4b68f7766d5aae2cef89a7",
    "cross_cats_sorted": [
      "cond-mat.soft",
      "q-bio.BM"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2008-11-08T16:07:19Z",
    "title_canon_sha256": "eadcca6b2872b1107a46fa3951998a6c5ede8d73ef46dfd292a0c84720f21d75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.1271",
    "kind": "arxiv",
    "version": 2
  }
}