Pith Number

pith:VUZ3GGZ6

pith:2019:VUZ3GGZ6ANQSU4A6IOBUQG4LLI

not attested not anchored not stored refs pending

Collective Excitations of Quantum Anomalous Hall Ferromagnets in Twisted Bilayer Graphene

Fengcheng Wu, Sankar Das Sarma

arxiv:1908.05417 v2 · 2019-08-15 · 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{VUZ3GGZ6ANQSU4A6IOBUQG4LLI}

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	2026-07-05T00:37:28.256373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad33b31b3e03612a701e4383481b8b5a17114fa5dd99d839b46301480bf4c4ce

Aliases

arxiv: 1908.05417 · arxiv_version: 1908.05417v2 · doi: 10.48550/arxiv.1908.05417 · pith_short_12: VUZ3GGZ6ANQS · pith_short_16: VUZ3GGZ6ANQSU4A6 · pith_short_8: VUZ3GGZ6

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/VUZ3GGZ6ANQSU4A6IOBUQG4LLI \
  | 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: ad33b31b3e03612a701e4383481b8b5a17114fa5dd99d839b46301480bf4c4ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd4d13828c2b0cda9f31c09d6e844fad2f60e79f4ed7cfb5b9b1da85ea2a24c8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2019-08-15T04:45:30Z",
    "title_canon_sha256": "dc47f090ad940670050aac6dff379d4957a40f845a4ccbb69be23ffed3cb2a6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05417",
    "kind": "arxiv",
    "version": 2
  }
}