Pith Number

pith:4BZ3TLMG

pith:2011:4BZ3TLMGYKKW2F64YYGBSBYXKR

not attested not anchored not stored refs pending

Response of the Shockley surface state to an external electrical field: A density-functional theory study of Cu(111)

K. Berland, P. Hyldgaard, T. L. Einstein

arxiv:1109.6706 v2 · 2011-09-30 · cond-mat.mtrl-sci · cond-mat.mes-hall · cond-mat.other

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4BZ3TLMGYKKW2F64YYGBSBYXKR}

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	2026-05-18T02:00:21.235245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e073b9ad86c2956d17dcc60c1907175447a8248dbd052742b8d5eca36d2c631f

Aliases

arxiv: 1109.6706 · arxiv_version: 1109.6706v2 · doi: 10.48550/arxiv.1109.6706 · pith_short_12: 4BZ3TLMGYKKW · pith_short_16: 4BZ3TLMGYKKW2F64 · pith_short_8: 4BZ3TLMG

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/4BZ3TLMGYKKW2F64YYGBSBYXKR \
  | 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: e073b9ad86c2956d17dcc60c1907175447a8248dbd052742b8d5eca36d2c631f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9cb071b78a007e2b3f5f289bdcbc9643a3d999c7461bf30c489a01c962fba56",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "cond-mat.other"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2011-09-30T02:58:27Z",
    "title_canon_sha256": "5cc8129c8603a39c6734fa50d0a46d664b7b0b7625267dd613a3cbac1b0ef027"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.6706",
    "kind": "arxiv",
    "version": 2
  }
}