Pith Number

pith:KPY52WYV

pith:2020:KPY52WYVILPH5RDL4LOOKLMRJ2

not attested not anchored not stored refs pending

Crossover from weakly indirect to direct excitons in atomically thin films of InSe

Adri\'an Ceferino, Kok Wee Song, Samuel J. Magorrian, Viktor Z\'olyomi, Vladimir I. Fal'ko

arxiv:2001.04849 v2 · 2020-01-14 · 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{KPY52WYVILPH5RDL4LOOKLMRJ2}

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	2026-07-05T01:11:44.254975Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53f1dd5b1542de7ec46be2dce52d914e8004f7bca287024a0b8f3d3214d2211a

Aliases

arxiv: 2001.04849 · arxiv_version: 2001.04849v2 · doi: 10.48550/arxiv.2001.04849 · pith_short_12: KPY52WYVILPH · pith_short_16: KPY52WYVILPH5RDL · pith_short_8: KPY52WYV

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/KPY52WYVILPH5RDL4LOOKLMRJ2 \
  | 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: 53f1dd5b1542de7ec46be2dce52d914e8004f7bca287024a0b8f3d3214d2211a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ddd5a1b9aceab34b59d356c9df6f66036d25fa784417e2e9df6516f3d0c306f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2020-01-14T15:22:29Z",
    "title_canon_sha256": "a86907153c9561170c56cee83dff40d5b245069dddb24a9f7066bc332c2d5559"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.04849",
    "kind": "arxiv",
    "version": 2
  }
}