Pith Number

pith:BV7M7P3P

pith:2015:BV7M7P3PT366Z55EZ7LOQ4HGV6

not attested not anchored not stored refs pending

Uniaxially stressed germanium with fundamental direct band gap

A. Chelnokov, A. Gassenq, D. Rouchon, E. Marin, F. Rieutord, G. Osvaldo Diaz, H. Sigg, I. Duchemin, J. Escalante, J. Faist, J.-M. Hartmann, J. Widiez, K. Guilloy, N. Pauc, R. Geiger, S. Tardif, T. Zabel, V. Calvo, V. Reboud, Y.-M. Niquet

arxiv:1603.03454 v1 · 2015-12-10 · cond-mat.mtrl-sci · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BV7M7P3PT366Z55EZ7LOQ4HGV6}

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	2026-05-18T01:19:15.588177Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d7ecfbf6f9efdecf7a4cfd6e870e6af8e003473017e0353884de19f281f901e

Aliases

arxiv: 1603.03454 · arxiv_version: 1603.03454v1 · doi: 10.48550/arxiv.1603.03454 · pith_short_12: BV7M7P3PT366 · pith_short_16: BV7M7P3PT366Z55E · pith_short_8: BV7M7P3P

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/BV7M7P3PT366Z55EZ7LOQ4HGV6 \
  | 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: 0d7ecfbf6f9efdecf7a4cfd6e870e6af8e003473017e0353884de19f281f901e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a22eed1d2f8860fe88f261269dbdd7a8f9bf02922dc6472174f5b77baea143a1",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2015-12-10T10:52:12Z",
    "title_canon_sha256": "33fbf741efe6929ea3686c80279d5e00fdb916dceb596eb59b36db89c2ee67f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.03454",
    "kind": "arxiv",
    "version": 1
  }
}