Pith Number

pith:DS4GDQHD

pith:2016:DS4GDQHDTWAWGOTF636ZZSWKJS

not attested not anchored not stored refs pending

Observation of Helical Edge States and Fractional Quantum Hall Effect in a Graphene Electron-hole Bilayer

A. F. Young, B. Hunt, J. D. Sanchez-Yamagishi, J. Y. Luo, K. Watanabe, P. Jarillo-Herrero, R. C. Ashoori, T. Taniguchi

arxiv:1602.06815 v1 · 2016-02-22 · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DS4GDQHDTWAWGOTF636ZZSWKJS}

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	2026-05-18T00:49:19.155984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cb861c0e39d81633a65f6fd9ccaca4caf97f6fbb1c69c066a15ba550db146cb

Aliases

arxiv: 1602.06815 · arxiv_version: 1602.06815v1 · doi: 10.48550/arxiv.1602.06815 · pith_short_12: DS4GDQHDTWAW · pith_short_16: DS4GDQHDTWAWGOTF · pith_short_8: DS4GDQHD

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/DS4GDQHDTWAWGOTF636ZZSWKJS \
  | 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: 1cb861c0e39d81633a65f6fd9ccaca4caf97f6fbb1c69c066a15ba550db146cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f229ce56739bc3eb2ce8a676af6371f90fcea1f7ea101090018ee1034452b27",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2016-02-22T15:25:20Z",
    "title_canon_sha256": "2f2bb39149069e84f6f3dd8189511233ffe2a24eea3035dddeb17ff59dd716ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.06815",
    "kind": "arxiv",
    "version": 1
  }
}