Pith Number

pith:2HGCGP7A

pith:2012:2HGCGP7ANEF5JVWSEXV2PH7NTM

not attested not anchored not stored refs pending

Benchmarking van der Waals Density Functionals with Experimental Data: Potential Energy Curves for H2 Molecules on Cu(111), (100), and (110) Surfaces

Bengt I. Lundqvist, Elsebeth Schroder, Kristian Berland, Kyuho Lee, Mina Yoon, Per Hyldgaard, Stig Andersson

arxiv:1206.0775 v1 · 2012-06-04 · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2HGCGP7ANEF5JVWSEXV2PH7NTM}

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	2026-05-18T01:57:07.877016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1cc233fe0690bd4d6d225eba79fed9b2a3852871e5ef395f328b0a1c751e7f1

Aliases

arxiv: 1206.0775 · arxiv_version: 1206.0775v1 · doi: 10.48550/arxiv.1206.0775 · pith_short_12: 2HGCGP7ANEF5 · pith_short_16: 2HGCGP7ANEF5JVWS · pith_short_8: 2HGCGP7A

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/2HGCGP7ANEF5JVWSEXV2PH7NTM \
  | 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: d1cc233fe0690bd4d6d225eba79fed9b2a3852871e5ef395f328b0a1c751e7f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e38a6293b15e0b34d6dc974272ad06f72bc305cff639eac661140e23e592bd78",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2012-06-04T21:40:49Z",
    "title_canon_sha256": "a34465b53dc42c494bc5de284e3a7481d1608aa41f88e73f7224fb3c51396d9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.0775",
    "kind": "arxiv",
    "version": 1
  }
}