Pith Number

pith:YB4HI4K5

pith:2015:YB4HI4K5XIBVQHSYCFQCBNHAQC

not attested not anchored not stored refs pending

Sieving hydrogen isotopes through two dimensional crystals

A. K. Geim, A. Mishchenko, A. N. Grigorenko, B. Radha, I. V. Grigorieva, M. Lozada-Hidalgo, O. Marshall, R. A. W. Dryfe, S. Hu

arxiv:1511.06693 v2 · 2015-11-20 · cond-mat.mtrl-sci · cond-mat.mes-hall · nucl-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YB4HI4K5XIBVQHSYCFQCBNHAQC}

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	2026-05-18T01:23:28.671911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c07874715dba03581e58116020b4e080859814813e5af9e4af8a5cac42c97c82

Aliases

arxiv: 1511.06693 · arxiv_version: 1511.06693v2 · doi: 10.48550/arxiv.1511.06693 · pith_short_12: YB4HI4K5XIBV · pith_short_16: YB4HI4K5XIBVQHSY · pith_short_8: YB4HI4K5

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/YB4HI4K5XIBVQHSYCFQCBNHAQC \
  | 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: c07874715dba03581e58116020b4e080859814813e5af9e4af8a5cac42c97c82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "521d034cccaba6408f8e22f8fa3efef84951468bb2a7998ed77fbe326020a434",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "nucl-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2015-11-20T17:08:41Z",
    "title_canon_sha256": "69feeebfdc0810b81cf73cc2c08006f22ab3167aff07ada405854b356d567e02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.06693",
    "kind": "arxiv",
    "version": 2
  }
}