Pith Number

pith:4KLZCEDZ

pith:2018:4KLZCEDZTOEVTYHITQKLX2BXGF

not attested not anchored not stored refs pending

Surface and interface structure of quasi-free standing graphene on SiC

Alex Shard, Christos Melios, Olga Kazakova, S. Ravi P. Silva, Steve Spencer, Wlodek Strupinski

arxiv:1804.09492 v2 · 2018-04-25 · 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{4KLZCEDZTOEVTYHITQKLX2BXGF}

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	2026-05-18T00:17:26.785845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2979110799b8959e0e89c14bbe83731669476b9e16bbd0761ce0904ef483d64

Aliases

arxiv: 1804.09492 · arxiv_version: 1804.09492v2 · doi: 10.48550/arxiv.1804.09492 · pith_short_12: 4KLZCEDZTOEV · pith_short_16: 4KLZCEDZTOEVTYHI · pith_short_8: 4KLZCEDZ

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/4KLZCEDZTOEVTYHITQKLX2BXGF \
  | 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: e2979110799b8959e0e89c14bbe83731669476b9e16bbd0761ce0904ef483d64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f06018615f9d975c06db24d369886aed094ba1bc9af15796b1b03fa1f999cf3e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2018-04-25T11:55:56Z",
    "title_canon_sha256": "7dca602584c1d72e610085feab01e0f4520427a747abd3c79e3dfe5ba91590f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09492",
    "kind": "arxiv",
    "version": 2
  }
}