Pith Number

pith:4ID4Z57X

pith:2015:4ID4Z57XCDTEDW33NHDP5GVRP7

not attested not anchored not stored refs pending

Understanding and optimising the packing density of perylene bisimide layers on CVD-grown graphene

Andreas Hirsch, Attilio A. Cafolla, Chanyoung Yim, Claudia Backes, Georg S. Duesberg, Izabela Kaminska, Kim C. D\"umbgen, Nina C. Berner, Sebastian Mackowski, Sin\'ead Winters

arxiv:1507.04525 v1 · 2015-07-16 · 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{4ID4Z57XCDTEDW33NHDP5GVRP7}

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	2026-05-18T01:28:53.621810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e207ccf7f710e641db7b69c6fe9ab17ffa7573349c9a9e312f54e4c1c910f83e

Aliases

arxiv: 1507.04525 · arxiv_version: 1507.04525v1 · doi: 10.48550/arxiv.1507.04525 · pith_short_12: 4ID4Z57XCDTE · pith_short_16: 4ID4Z57XCDTEDW33 · pith_short_8: 4ID4Z57X

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/4ID4Z57XCDTEDW33NHDP5GVRP7 \
  | 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: e207ccf7f710e641db7b69c6fe9ab17ffa7573349c9a9e312f54e4c1c910f83e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fca6658bb8a3f2b652f16110eeab2cbc07d30bc6a4d16d60e47ddebe88fb059",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2015-07-16T11:06:01Z",
    "title_canon_sha256": "022746c7006d695b0f8c072b5c08fcb4462c8990d8a6410dcec5cb4a5d6495fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.04525",
    "kind": "arxiv",
    "version": 1
  }
}