Pith Number

pith:EFESWWPF

pith:2023:EFESWWPFXD6CEXDBKG3VBYNOWD

not attested not anchored not stored refs pending

Identifying and abating copper foil impurities to optimize graphene growth

B. Hackens, N. Reckinger

arxiv:2309.14811 v1 · 2023-09-26 · cond-mat.mtrl-sci · physics.app-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EFESWWPFXD6CEXDBKG3VBYNOWD}

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	2026-07-05T06:54:30.296417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21492b59e5b8fc225c6151b750e1aeb0df35b3feaf9a903c27d74ab3179cafb7

Aliases

arxiv: 2309.14811 · arxiv_version: 2309.14811v1 · doi: 10.48550/arxiv.2309.14811 · pith_short_12: EFESWWPFXD6C · pith_short_16: EFESWWPFXD6CEXDB · pith_short_8: EFESWWPF

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/EFESWWPFXD6CEXDBKG3VBYNOWD \
  | 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: 21492b59e5b8fc225c6151b750e1aeb0df35b3feaf9a903c27d74ab3179cafb7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27dd5c4b5d5f8e637db10f88298df4d4388b170468f9461bba85f4c7a553982c",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2023-09-26T10:17:01Z",
    "title_canon_sha256": "62b3c1fd98386971ab97de432d511a647c0ce959b3dbc5a635e4d5b4959ccc20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.14811",
    "kind": "arxiv",
    "version": 1
  }
}