Pith Number

pith:PPUT3Y32

pith:2017:PPUT3Y32D5YLAFRSSFUN6AO5UO

not attested not anchored not stored refs pending

Excitons in atomically thin transition metal dichalcogenides

Alexey Chernikov, Bernhard Urbaszek, Gang Wang, Mikhail M. Glazov, Thierry Amand, Tony F. Heinz, Xavier Marie

arxiv:1707.05863 v2 · 2017-07-18 · cond-mat.mtrl-sci · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PPUT3Y32D5YLAFRSSFUN6AO5UO}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:18:53.564196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7be93de37a1f70b016329168df01dda3a401c4724c2dd18ee5ced3813ccdafd7

Aliases

arxiv: 1707.05863 · arxiv_version: 1707.05863v2 · doi: 10.48550/arxiv.1707.05863 · pith_short_12: PPUT3Y32D5YL · pith_short_16: PPUT3Y32D5YLAFRS · pith_short_8: PPUT3Y32

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/PPUT3Y32D5YLAFRSSFUN6AO5UO \
  | 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: 7be93de37a1f70b016329168df01dda3a401c4724c2dd18ee5ced3813ccdafd7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e887756ece0556f421f74a8584cc7f52653f6ed4e0021062640d70121e893bbb",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2017-07-18T21:24:11Z",
    "title_canon_sha256": "8115d3ac5f615f177f2e96ea99ed0896f51d04ab1f745c661ed595e046d2323f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.05863",
    "kind": "arxiv",
    "version": 2
  }
}