Pith Number

pith:2IIDGJAX

pith:2015:2IIDGJAXLRW5JGKI526PPSREFW

not attested not anchored not stored refs pending

Excitons in van der Waals heterostructures: The important role of dielectric screening

Kristian S. Thygesen, Simone Latini, Thomas Olsen

arxiv:1509.07972 v1 · 2015-09-26 · 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{2IIDGJAXLRW5JGKI526PPSREFW}

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	2026-05-18T01:22:35.931682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2103324175c6dd49948eebcf7ca242dae80f21bbf758c58010f721641d14ea4

Aliases

arxiv: 1509.07972 · arxiv_version: 1509.07972v1 · doi: 10.48550/arxiv.1509.07972 · pith_short_12: 2IIDGJAXLRW5 · pith_short_16: 2IIDGJAXLRW5JGKI · pith_short_8: 2IIDGJAX

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/2IIDGJAXLRW5JGKI526PPSREFW \
  | 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: d2103324175c6dd49948eebcf7ca242dae80f21bbf758c58010f721641d14ea4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6480d416f96ffe988c789b476a7684927e4a13e0cb6a713d078113e6e9b057ea",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2015-09-26T12:51:28Z",
    "title_canon_sha256": "3b78eb5f7037d5072f8cfd6bcb4e7c90fa819ae78fca47f1336f317258048981"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.07972",
    "kind": "arxiv",
    "version": 1
  }
}