Pith Number

pith:LUB5HISD

pith:2021:LUB5HISDOH5ASXRH2AGYOPCRIF

not attested not anchored not stored refs pending

Exponentially selective molecular sieving through angstrom pores

A.K. Geim, B. L. Liu, F.C. Wang, F.M. Peeters, H.-M. Cheng, I.V. Grigorieva, M. Lozada-Hidalgo, M. Yagmurcukardes, P.Z. Sun, R. Zhang, W.J. Kuang

arxiv:2104.02560 v2 · 2021-04-06 · cond-mat.mes-hall · 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{LUB5HISDOH5ASXRH2AGYOPCRIF}

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	2026-07-05T03:39:14.160087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d03d3a24371fa095e27d00d873c5141420bf9e5c82fead472adab021d574a31

Aliases

arxiv: 2104.02560 · arxiv_version: 2104.02560v2 · doi: 10.48550/arxiv.2104.02560 · pith_short_12: LUB5HISDOH5A · pith_short_16: LUB5HISDOH5ASXRH · pith_short_8: LUB5HISD

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/LUB5HISDOH5ASXRH2AGYOPCRIF \
  | 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: 5d03d3a24371fa095e27d00d873c5141420bf9e5c82fead472adab021d574a31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a4006b779656b4e1eaacdb7b2fd030a52ba557f2a7ec83b37c9281d6906a678",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2021-04-06T14:57:09Z",
    "title_canon_sha256": "9d8f116f24574106bf322c41b05995fee8bf26a9c42764c22043cddc016ea780"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.02560",
    "kind": "arxiv",
    "version": 2
  }
}