Pith Number

pith:XZ25PR3N

pith:2018:XZ25PR3NKXXTOBXF6CG777HFAV

not attested not anchored not stored refs pending

On-Surface Synthesis of Heptacene on Ag(001) from Brominated and Non-Brominated Tetrahydroheptacene Precursors

Antonio M. Echavarren, Carlos Garc\'ia Fern\'andez, Dimas G. de Oteyza, Luciano Colazzo, Mohammed S. G. Mohammed, Nicol\'as Lorente, Paula Abufager, Pawel Nita, Ruth Dorel

arxiv:1807.09465 v1 · 2018-07-25 · 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{XZ25PR3NKXXTOBXF6CG777HFAV}

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	2026-05-18T00:09:51.257203Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be75d7c76d55ef3706e5f08dfffce50553a2e6d3e705db9819472a494dd5b566

Aliases

arxiv: 1807.09465 · arxiv_version: 1807.09465v1 · doi: 10.48550/arxiv.1807.09465 · pith_short_12: XZ25PR3NKXXT · pith_short_16: XZ25PR3NKXXTOBXF · pith_short_8: XZ25PR3N

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/XZ25PR3NKXXTOBXF6CG777HFAV \
  | 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: be75d7c76d55ef3706e5f08dfffce50553a2e6d3e705db9819472a494dd5b566

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "25562c6d053c5f127009cd955df6f865911f7c33c4366503aebae7381c3143fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2018-07-25T07:54:26Z",
    "title_canon_sha256": "e05499c8877f22a0c39bd2435cfa4f35bd179263865ba7c98b92a8cb451268e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09465",
    "kind": "arxiv",
    "version": 1
  }
}