Pith Number

pith:SDGCPUZQ

pith:2010:SDGCPUZQSEWTWBHE7CTJZE62RY

not attested not anchored not stored refs pending

Density functional theory study of quasi-free-standing graphene layer on 4H-SiC(0001) surface decoupled by hydrogen atoms

Jacek Piechota, Jakub Soltys, Michal Lopuszynski, Stanislaw Krukowski

arxiv:1002.4717 v2 · 2010-02-25 · cond-mat.mtrl-sci · 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{SDGCPUZQSEWTWBHE7CTJZE62RY}

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	2026-05-18T02:24:38.558541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90cc27d330912d3b04e4f8a69c93da8e08b449d2193b8d84c28dff936eda5a44

Aliases

arxiv: 1002.4717 · arxiv_version: 1002.4717v2 · doi: 10.48550/arxiv.1002.4717 · pith_short_12: SDGCPUZQSEWT · pith_short_16: SDGCPUZQSEWTWBHE · pith_short_8: SDGCPUZQ

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/SDGCPUZQSEWTWBHE7CTJZE62RY \
  | 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: 90cc27d330912d3b04e4f8a69c93da8e08b449d2193b8d84c28dff936eda5a44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69f0dc96f5430bef48b960372bfb0340111ddf34637e005db8b9189e0c5a79da",
    "cross_cats_sorted": [
      "cond-mat.other"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2010-02-25T09:19:09Z",
    "title_canon_sha256": "7b3b33292cbb313ecd224d856816c3619fdc48aca29bf59c591b4e05afe98a0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.4717",
    "kind": "arxiv",
    "version": 2
  }
}