Pith Number

pith:7FXTX4ES

pith:2026:7FXTX4ESNNTII6XCY4B62G7HX6

not attested not anchored not stored refs pending

Quantitative prediction of excitons in lattice-mismatched van der Waals heterostructures

Amalie Helena Svaneborg, Jakob Kj{\ae}rulff Svaneborg, Kristian Sommer Thygesen, Mikkel Ohm Sauer

arxiv:2606.20039 v1 · 2026-06-18 · 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{7FXTX4ESNNTII6XCY4B62G7HX6}

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	2026-06-19T16:13:01.342280Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f96f3bf0926b66847ae2c703ed1be7bfbdc376b835fef1937279d1bfe5f48244

Aliases

arxiv: 2606.20039 · arxiv_version: 2606.20039v1 · doi: 10.48550/arxiv.2606.20039 · pith_short_12: 7FXTX4ESNNTI · pith_short_16: 7FXTX4ESNNTII6XC · pith_short_8: 7FXTX4ES

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/7FXTX4ESNNTII6XCY4B62G7HX6 \
  | 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: f96f3bf0926b66847ae2c703ed1be7bfbdc376b835fef1937279d1bfe5f48244

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd10273f4961688efc1fdbab324c0f9b30ad02fde09b99dad0cb282b1d2ad1af",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2026-06-18T10:15:11Z",
    "title_canon_sha256": "cc57cfb1473a238f5672e5eee67ba4efebbe90a495687455bcf199996974a7b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.20039",
    "kind": "arxiv",
    "version": 1
  }
}