Pith Number

pith:2EV276MD

pith:2019:2EV276MDI3LLQBGXJTGHO5BTBU

not attested not anchored not stored refs pending

More than 3-mm-long carrier diffusion and strong absorption over the full solar spectrum in copper oxide and selenium composite film

Fei Gao, Hao Liu, Rongrong Gao, Shengzhong (Frank) Liu, Xiaodong Hua, Xin Wu, Zhou Yang

arxiv:1905.03432 v1 · 2019-05-09 · physics.app-ph · 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{2EV276MDI3LLQBGXJTGHO5BTBU}

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	2026-05-17T23:46:39.954033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d12baff98346d6b804d74ccc7774330d0fd498b820e71c25dda882d2e39814e3

Aliases

arxiv: 1905.03432 · arxiv_version: 1905.03432v1 · doi: 10.48550/arxiv.1905.03432 · pith_short_12: 2EV276MDI3LL · pith_short_16: 2EV276MDI3LLQBGX · pith_short_8: 2EV276MD

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/2EV276MDI3LLQBGXJTGHO5BTBU \
  | 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: d12baff98346d6b804d74ccc7774330d0fd498b820e71c25dda882d2e39814e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "469757d729742e787e8a3ec1fe1b314d56069d40f9e6cf0dd85dd847026668a9",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2019-05-09T03:45:39Z",
    "title_canon_sha256": "af0ee674cec84a38b14a7456f2024e300a417b11ecc1e1463aaee29cd1aeaff6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.03432",
    "kind": "arxiv",
    "version": 1
  }
}