Pith Number

pith:NNAK7DEB

pith:2015:NNAK7DEB5SWO475JD5QR4Y6ACZ

not attested not anchored not stored refs pending

Molecular mechanism of water permeation in helium impermeable graphene and graphene oxide membrane

Nallani Raghav, Prabal K. Maiti, Sudip Chakraborty

arxiv:1509.08683 v1 · 2015-09-29 · cond-mat.mes-hall · cond-mat.mtrl-sci · cond-mat.soft · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NNAK7DEB5SWO475JD5QR4Y6ACZ}

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	2026-05-18T01:31:29.498199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b40af8c81ecacee7fa91f611e63c01642ff5b8d6ee1e9fb09b2b684cf97082f

Aliases

arxiv: 1509.08683 · arxiv_version: 1509.08683v1 · doi: 10.48550/arxiv.1509.08683 · pith_short_12: NNAK7DEB5SWO · pith_short_16: NNAK7DEB5SWO475J · pith_short_8: NNAK7DEB

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/NNAK7DEB5SWO475JD5QR4Y6ACZ \
  | 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: 6b40af8c81ecacee7fa91f611e63c01642ff5b8d6ee1e9fb09b2b684cf97082f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e758e754ef260592133816f50acbd3dc3cb148e8b6cbe6e43e9eec9ed8617e2",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "cond-mat.soft",
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2015-09-29T10:53:29Z",
    "title_canon_sha256": "3b93ddd3f28b458471b5cb5937106fc138dcbf21ad2f71784d3c7e7d3fe3a5c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.08683",
    "kind": "arxiv",
    "version": 1
  }
}