Pith Number

pith:FO6NYCL2

pith:2019:FO6NYCL2OQ6EWLNW5SP4D6ETDJ

not attested not anchored not stored refs pending

Excitons in two-dimensional materials

Xian Zhang, Xiaoyang Zheng

arxiv:1911.00087 v1 · 2019-10-31 · cond-mat.mtrl-sci · 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{FO6NYCL2OQ6EWLNW5SP4D6ETDJ}

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	2026-07-05T00:16:23.318168Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2bbcdc097a743c4b2db6ec9fc1f8931a510ed69105d3d1f543e81c0a7c866be3

Aliases

arxiv: 1911.00087 · arxiv_version: 1911.00087v1 · doi: 10.48550/arxiv.1911.00087 · pith_short_12: FO6NYCL2OQ6E · pith_short_16: FO6NYCL2OQ6EWLNW · pith_short_8: FO6NYCL2

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/FO6NYCL2OQ6EWLNW5SP4D6ETDJ \
  | 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: 2bbcdc097a743c4b2db6ec9fc1f8931a510ed69105d3d1f543e81c0a7c866be3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ca25d9ce81a8767f8da7f178d7b3b2ea8cf290973c0b93a2b49af803defc05f",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2019-10-31T20:07:26Z",
    "title_canon_sha256": "76417f2a2a0e4686d2022e7d23c2f43fe567c4bac3c0b24e3113171757dcaeed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.00087",
    "kind": "arxiv",
    "version": 1
  }
}