Pith Number

pith:YWJ6TZX4

pith:2021:YWJ6TZX4PB6AC4KJIF7LZL7QEN

not attested not anchored not stored refs pending

At the verge of topology: vacancy-driven quantum spin Hall in trivial insulators

Adalberto Fazzio, F. Crasto de Lima

arxiv:2109.11915 v1 · 2021-09-24 · 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{YWJ6TZX4PB6AC4KJIF7LZL7QEN}

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	2026-07-05T03:38:35.244089Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c593e9e6fc787c017149417ebcaff02345c45ae9c56c763d967239c4ea34e614

Aliases

arxiv: 2109.11915 · arxiv_version: 2109.11915v1 · doi: 10.48550/arxiv.2109.11915 · pith_short_12: YWJ6TZX4PB6A · pith_short_16: YWJ6TZX4PB6AC4KJ · pith_short_8: YWJ6TZX4

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/YWJ6TZX4PB6AC4KJIF7LZL7QEN \
  | 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: c593e9e6fc787c017149417ebcaff02345c45ae9c56c763d967239c4ea34e614

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5573593e47fb0727cd90dd2a2f29265121276ddfbb97eddb6cbe9b05c4662a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2021-09-24T12:11:25Z",
    "title_canon_sha256": "536f4d983d49e1ac73d656a5b14d02b50d711030a50f57b69155ef428e611067"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.11915",
    "kind": "arxiv",
    "version": 1
  }
}