Pith Number

pith:F7VGXZLX

pith:2017:F7VGXZLXWCXNBVNFEBKDC6XSWQ

not attested not anchored not stored refs pending

Ultrathin graphene-based membrane with precise molecular sieving and ultrafast solvent permeation

A. K Geim, A. N. Grigorenko, A. Pratt, C. Chi, C. T. Cherian, F. C. Wang, F. Guinea, J. C. Zhang, K. Huang, Q. Yang, R. R. Nair, V. G. Kravets, Y. Su

arxiv:1710.00047 v1 · 2017-09-15 · physics.app-ph · cond-mat.mtrl-sci · 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{F7VGXZLXWCXNBVNFEBKDC6XSWQ}

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	2026-05-18T00:28:04.480694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fea6be577b0aed0d5a52054317af2b41704e3a0f462b7cd381f44478ce573b2

Aliases

arxiv: 1710.00047 · arxiv_version: 1710.00047v1 · doi: 10.48550/arxiv.1710.00047 · pith_short_12: F7VGXZLXWCXN · pith_short_16: F7VGXZLXWCXNBVNF · pith_short_8: F7VGXZLX

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/F7VGXZLXWCXNBVNFEBKDC6XSWQ \
  | 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: 2fea6be577b0aed0d5a52054317af2b41704e3a0f462b7cd381f44478ce573b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d332572092b619687d09682fd1a4ccc2849eff5b3d399ce687e1044649fb24ed",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2017-09-15T18:13:00Z",
    "title_canon_sha256": "83d85281d99d4a2799443be0fdc2c5f85545fa2ba510f80ace62c231dee19a9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.00047",
    "kind": "arxiv",
    "version": 1
  }
}