Pith Number

pith:X4SGNDNH

pith:2009:X4SGNDNHEDQGNESJNOB4JD7YWH

not attested not anchored not stored refs pending

Electron emission from conduction band of diamond with negative electron affinity

Hisato Yamaguchi, Ichitaro Saito, Julian Koe, Ken Okano, Masato Kudo, Shuho Nozue, Takatoshi Yamada, Tomoaki Masuzawa, Yuji Takakuwa, Yuki Kudo

arxiv:0910.2189 v2 · 2009-10-12 · 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{X4SGNDNHEDQGNESJNOB4JD7YWH}

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	2026-05-17T23:54:17.255812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf24668da720e06692496b83c48ff8b1f9b1d7e6dea2cc29f808976a5c6016e1

Aliases

arxiv: 0910.2189 · arxiv_version: 0910.2189v2 · doi: 10.48550/arxiv.0910.2189 · pith_short_12: X4SGNDNHEDQG · pith_short_16: X4SGNDNHEDQGNESJ · pith_short_8: X4SGNDNH

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/X4SGNDNHEDQGNESJNOB4JD7YWH \
  | 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: bf24668da720e06692496b83c48ff8b1f9b1d7e6dea2cc29f808976a5c6016e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db687782cc9ef8fcb9a6ab1e776ed4daebb8f06f7d748c282ff26ee373ec82fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2009-10-12T16:02:19Z",
    "title_canon_sha256": "e565e1dd282921f0ec6f945ded14f6f2d074b620cf4aa3f4be5afdd5f0f7034a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.2189",
    "kind": "arxiv",
    "version": 2
  }
}