Pith Number

pith:Y5PTYKWQ

pith:2021:Y5PTYKWQAM2RP23M4IXPE2FZRA

not attested not anchored not stored refs pending

Topological surface currents accessed through reversible hydrogenation of the three-dimensional bulk

Haiming Deng, Jiaqiang Yan, Kamil Sobczak, Kyungwha Park, Lia Krusin-Elbaum, Lukas Zhao

arxiv:2102.06639 v1 · 2021-02-12 · cond-mat.mtrl-sci · physics.app-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{Y5PTYKWQAM2RP23M4IXPE2FZRA}

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	2026-07-05T04:16:11.740987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c75f3c2ad0033517eb6ce22ef268b9883fd81f6c52a6de88307a194421158d56

Aliases

arxiv: 2102.06639 · arxiv_version: 2102.06639v1 · doi: 10.48550/arxiv.2102.06639 · pith_short_12: Y5PTYKWQAM2R · pith_short_16: Y5PTYKWQAM2RP23M · pith_short_8: Y5PTYKWQ

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/Y5PTYKWQAM2RP23M4IXPE2FZRA \
  | 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: c75f3c2ad0033517eb6ce22ef268b9883fd81f6c52a6de88307a194421158d56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2fe66fcdf920f6a426f08e30c81a9ff0ed632e65b36e8bb417e8a9904e17239f",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2021-02-12T17:27:03Z",
    "title_canon_sha256": "202665614af7aba9109663b4ec030443a10df29a6151beafe459b00f2deb2705"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.06639",
    "kind": "arxiv",
    "version": 1
  }
}