Pith Number

pith:VJM3V6S6

pith:2019:VJM3V6S6YLPXDLDFUNKQEMJBOZ

not attested not anchored not stored refs pending

Local adsorption structure and bonding of porphine on Cu(111) before and after self-metalation

A. P\'erez Paz, A. Rubio, D. A. Duncan, E. Magnano, F. Allegretti, F. Bondino, F. Klappenberger, I. P\'i\v{s}, J. V. Barth, K. Diller, M. Paszkiewicz, P. Casado Aguilar

arxiv:1905.02339 v1 · 2019-05-07 · physics.chem-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{VJM3V6S6YLPXDLDFUNKQEMJBOZ}

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	2026-05-17T23:46:51.706977Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa59bafa5ec2df71ac65a355023121765d720b7a24fa0a5ec05670a0b6d3088e

Aliases

arxiv: 1905.02339 · arxiv_version: 1905.02339v1 · doi: 10.48550/arxiv.1905.02339 · pith_short_12: VJM3V6S6YLPX · pith_short_16: VJM3V6S6YLPXDLDF · pith_short_8: VJM3V6S6

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/VJM3V6S6YLPXDLDFUNKQEMJBOZ \
  | 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: aa59bafa5ec2df71ac65a355023121765d720b7a24fa0a5ec05670a0b6d3088e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "517a2b913f0a3d46c3354b1795965860b03c0d18d8130008e59e01fca9abe9ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2019-05-07T03:32:29Z",
    "title_canon_sha256": "115dffa9c7e0fcf00af9c0942f3f1a4c0088855b6caf4d6c6b877fdf3e08298b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.02339",
    "kind": "arxiv",
    "version": 1
  }
}