Pith Number

pith:GI77GGJA

pith:2009:GI77GGJAQDP4X3Y64NH5TTLRXP

not attested not anchored not stored refs pending

Tuning surface metallicity and ferromagnetism by hydrogen adsorption at the polar ZnO(0001) surface

J. Cerd\'a, M.C. Mu\~noz, N. Sanchez, S. Gallego

arxiv:0907.4637 v2 · 2009-07-27 · cond-mat.mtrl-sci · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GI77GGJAQDP4X3Y64NH5TTLRXP}

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	2026-05-18T02:12:47.522472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

323ff3192080dfcbef1ee34fd9cd71bbfb5b24c278ddc6be1aed9007ef13a34b

Aliases

arxiv: 0907.4637 · arxiv_version: 0907.4637v2 · doi: 10.48550/arxiv.0907.4637 · pith_short_12: GI77GGJAQDP4 · pith_short_16: GI77GGJAQDP4X3Y6 · pith_short_8: GI77GGJA

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/GI77GGJAQDP4X3Y64NH5TTLRXP \
  | 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: 323ff3192080dfcbef1ee34fd9cd71bbfb5b24c278ddc6be1aed9007ef13a34b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d0e522484cdfa1bfe2b319c23d019f61c845c3d819a4df54929d3b9a8e1d256",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2009-07-27T14:01:55Z",
    "title_canon_sha256": "804c9035c47a3a89a19c2999acf912d7cac09b42894ce80ade38af6306af3a5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.4637",
    "kind": "arxiv",
    "version": 2
  }
}