Pith Number

pith:N6ZR3IKA

pith:2017:N6ZR3IKA35FSBBSIOX6OJKFX7O

not attested not anchored not stored refs pending

Scalable and efficient separation of hydrogen isotopes using graphene-based electrochemical pumping

A. Esfandiar, A. K. Geim, I. V. Grigorieva, M. Lozada-Hidalgo, S. Hu, S. Zhang

arxiv:1702.07562 v2 · 2017-02-24 · 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{N6ZR3IKA35FSBBSIOX6OJKFX7O}

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	2026-05-18T00:44:18.685157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fb31da140df4b20864875fce4a8b7fb87f778cb8a274cd85323d7cf920d200d

Aliases

arxiv: 1702.07562 · arxiv_version: 1702.07562v2 · doi: 10.48550/arxiv.1702.07562 · pith_short_12: N6ZR3IKA35FS · pith_short_16: N6ZR3IKA35FSBBSI · pith_short_8: N6ZR3IKA

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/N6ZR3IKA35FSBBSIOX6OJKFX7O \
  | 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: 6fb31da140df4b20864875fce4a8b7fb87f778cb8a274cd85323d7cf920d200d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4323c26db3e01b15a22f372874ffaf82ab90863320d8c3c33688ad14c31c1891",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2017-02-24T12:53:50Z",
    "title_canon_sha256": "fe263c5efefb21b609e16758913ebf35d7261a923c71fda49b19645a567fc65f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.07562",
    "kind": "arxiv",
    "version": 2
  }
}