Pith Number

pith:C4CDMMJ2

pith:2014:C4CDMMJ24MMZE56PLQB5SO3DM3

not attested not anchored not stored refs pending

Precise and ultrafast molecular sieving through graphene oxide membranes

A. K. Geim, F. C. Wang, H. A. Wu, I. V. Grigorieva, P. Carbone, R. K. Joshi, R. R. Nair, V. G. Kravets, Y. Su

arxiv:1401.3134 v1 · 2014-01-14 · cond-mat.mtrl-sci · cond-mat.soft · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C4CDMMJ24MMZE56PLQB5SO3DM3}

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	2026-05-18T02:58:56.342617Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

170436313ae3199277cf5c03d93b6366c5a68693348379bdea1b47007ed79c2d

Aliases

arxiv: 1401.3134 · arxiv_version: 1401.3134v1 · doi: 10.48550/arxiv.1401.3134 · pith_short_12: C4CDMMJ24MMZ · pith_short_16: C4CDMMJ24MMZE56P · pith_short_8: C4CDMMJ2

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/C4CDMMJ24MMZE56PLQB5SO3DM3 \
  | 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: 170436313ae3199277cf5c03d93b6366c5a68693348379bdea1b47007ed79c2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1c8e2229cdc0671c8c3c041cd07e47c7a369ad2d434f9c6cdf5ab6db1ce73b7",
    "cross_cats_sorted": [
      "cond-mat.soft",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2014-01-14T10:49:05Z",
    "title_canon_sha256": "6ff10e8c666e124b3cb4ef268c8cd2940a465b3f0a7b05227c4354822712a767"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.3134",
    "kind": "arxiv",
    "version": 1
  }
}