Pith Number

pith:XKC3O3FT

pith:2009:XKC3O3FTWX2PZVPYXMHUUY3DCQ

not attested not anchored not stored refs pending

Morphology of Graphene on SiC(000-1) Surfaces

Gong Gu, J. Kedzierski, Luxmi, N. Srivastava, P. Healey, P. J. Fisher, R. M. Feenstra, Yugang Sun

arxiv:0907.5239 v2 · 2009-07-30 · 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{XKC3O3FTWX2PZVPYXMHUUY3DCQ}

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	2026-05-18T02:12:46.276842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba85b76cb3b5f4fcd5f8bb0f4a636314341705c8bd38e81b010a077ecd8cd497

Aliases

arxiv: 0907.5239 · arxiv_version: 0907.5239v2 · doi: 10.48550/arxiv.0907.5239 · pith_short_12: XKC3O3FTWX2P · pith_short_16: XKC3O3FTWX2PZVPY · pith_short_8: XKC3O3FT

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/XKC3O3FTWX2PZVPYXMHUUY3DCQ \
  | 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: ba85b76cb3b5f4fcd5f8bb0f4a636314341705c8bd38e81b010a077ecd8cd497

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "409c8ddab3a93cb830d93ba161bd55c52349e6fe34e493e1cf2f889cec26776b",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2009-07-30T01:12:31Z",
    "title_canon_sha256": "96da8167934ed0dcb39ceacbeb2db1ec8a1462d727df446ddc4ebc7721830555"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.5239",
    "kind": "arxiv",
    "version": 2
  }
}