Pith Number

pith:K2AHQ2JU

pith:2022:K2AHQ2JUAMIYWXXXAJ2WNGVOBA

not attested not anchored not stored refs pending

Dimerization of dehydrogenated polycyclic aromatic hydrocarbons on graphene

Bj{\o}rk Hammer, Zeyuan Tang

arxiv:2204.05635 v1 · 2022-04-12 · physics.chem-ph · 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{K2AHQ2JUAMIYWXXXAJ2WNGVOBA}

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	2026-07-05T04:14:00.527635Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

568078693403118b5ef70275669aae08149986081b62428b511a6ff2ea62c494

Aliases

arxiv: 2204.05635 · arxiv_version: 2204.05635v1 · doi: 10.48550/arxiv.2204.05635 · pith_short_12: K2AHQ2JUAMIY · pith_short_16: K2AHQ2JUAMIYWXXX · pith_short_8: K2AHQ2JU

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/K2AHQ2JUAMIYWXXXAJ2WNGVOBA \
  | 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: 568078693403118b5ef70275669aae08149986081b62428b511a6ff2ea62c494

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53384f747d07edecd439e65a179759741f5dc97a8bd1a502940357937146797f",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2022-04-12T08:58:45Z",
    "title_canon_sha256": "3be47b7802cc73c94e392aebf7ec81ef0b8731ee23d4a795403e9e55533552f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.05635",
    "kind": "arxiv",
    "version": 1
  }
}