Pith Number

pith:IHD2OLGC

pith:2021:IHD2OLGCHM4HGM37SDA46ACFRA

not attested not anchored not stored refs pending

Obstructed surface states as the origin of catalytic activity in inorganic heterogeneous catalysts

B. Andrei Bernevig, Claudia Felser, Guowei Li, Paolo Sessi, Qun Yang, Stuart S. P. Parkin, Uttam Gupta, Vicky S\"u\b{eta}, Yan Sun, Yuanfeng Xu, Zhida Song

arxiv:2111.02435 v1 · 2021-11-03 · cond-mat.mtrl-sci · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IHD2OLGCHM4HGM37SDA46ACFRA}

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	2026-07-05T04:47:52.606435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41c7a72cc23b3873337f90c1cf00458801a947e5e4b656475cb8103e791da94f

Aliases

arxiv: 2111.02435 · arxiv_version: 2111.02435v1 · doi: 10.48550/arxiv.2111.02435 · pith_short_12: IHD2OLGCHM4H · pith_short_16: IHD2OLGCHM4HGM37 · pith_short_8: IHD2OLGC

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/IHD2OLGCHM4HGM37SDA46ACFRA \
  | 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: 41c7a72cc23b3873337f90c1cf00458801a947e5e4b656475cb8103e791da94f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07f88b7f56018080dbe320ea864332e317ecd9ddc94c9d30a95276f437a438a7",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2021-11-03T18:00:11Z",
    "title_canon_sha256": "7559b52f621560aaa7070c56a26f451f19bec244b02d24ba93abf6c19369cfa7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.02435",
    "kind": "arxiv",
    "version": 1
  }
}