Pith Number

pith:YEIOGRTW

pith:2009:YEIOGRTWBRMMT6C6POWDRYUVFK

not attested not anchored not stored refs pending

Epitaxial graphene on SiC(0001): More than just honeycombs

G. F. Sun, L. Li, M. Weinert, S. H. Rhim, Y. Qi

arxiv:0907.4187 v2 · 2009-07-23 · cond-mat.mes-hall · 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{YEIOGRTWBRMMT6C6POWDRYUVFK}

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	2026-05-18T02:12:54.093245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c110e346760c58c9f85e7bac38e2952a9d43d22a3ced8bbcbe24387d23a35a9f

Aliases

arxiv: 0907.4187 · arxiv_version: 0907.4187v2 · doi: 10.48550/arxiv.0907.4187 · pith_short_12: YEIOGRTWBRMM · pith_short_16: YEIOGRTWBRMMT6C6 · pith_short_8: YEIOGRTW

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/YEIOGRTWBRMMT6C6POWDRYUVFK \
  | 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: c110e346760c58c9f85e7bac38e2952a9d43d22a3ced8bbcbe24387d23a35a9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efb4b282643c93fe0a771338b0c78ac0388ea2dde4bd3735cd9eee80bdf9157c",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2009-07-23T23:06:47Z",
    "title_canon_sha256": "f850302ce12a5612db9fb2b82b8e00c63ff6f5e97d49fb7997f67d6a6862cc7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.4187",
    "kind": "arxiv",
    "version": 2
  }
}