Pith Number

pith:I2G276G5

pith:2007:I2G276G5Q6AA53YS6YC5TZROWS

not attested not anchored not stored refs pending

Substrate-induced bandgap in graphene on hexagonal boron nitride

Geert Brocks, Gianluca Giovannetti, Jeroen van den Brink, Paul J. Kelly, Petr A. Khomyakov

arxiv:0704.1994 v2 · 2007-04-16 · 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{I2G276G5Q6AA53YS6YC5TZROWS}

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	2026-05-18T02:16:31.780031Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

468daff8dd87800eef12f605d9e62eb482e1b3b853bb552526dff4ce244ce4cb

Aliases

arxiv: 0704.1994 · arxiv_version: 0704.1994v2 · doi: 10.48550/arxiv.0704.1994 · pith_short_12: I2G276G5Q6AA · pith_short_16: I2G276G5Q6AA53YS · pith_short_8: I2G276G5

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/I2G276G5Q6AA53YS6YC5TZROWS \
  | 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: 468daff8dd87800eef12f605d9e62eb482e1b3b853bb552526dff4ce244ce4cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44048f16f9f2b758f1d175bc4f79164788dd50b07d869c753986e6d3625fcd9d",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2007-04-16T12:18:13Z",
    "title_canon_sha256": "cc3e9421150759afdf801da6e5779e2029f4f6797607f3711b16a93ef70b9694"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.1994",
    "kind": "arxiv",
    "version": 2
  }
}