Pith Number

pith:SPYPI7NO

pith:2013:SPYPI7NOVDIQUQV4TCM3ODTJOQ

not attested not anchored not stored refs pending

Effect of fluorinated diamond surface on charge state of nitrogen-vacancy centers

Evelyn L. Hu, Shanying Cui

arxiv:1304.1407 v1 · 2013-04-04 · 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{SPYPI7NOVDIQUQV4TCM3ODTJOQ}

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	2026-05-18T03:28:56.866188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93f0f47daea8d10a42bc9899b70e69741705d4103f8d32c9c57bed077617ec08

Aliases

arxiv: 1304.1407 · arxiv_version: 1304.1407v1 · doi: 10.48550/arxiv.1304.1407 · pith_short_12: SPYPI7NOVDIQ · pith_short_16: SPYPI7NOVDIQUQV4 · pith_short_8: SPYPI7NO

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/SPYPI7NOVDIQUQV4TCM3ODTJOQ \
  | 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: 93f0f47daea8d10a42bc9899b70e69741705d4103f8d32c9c57bed077617ec08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45efd1119f84c1f596f68b34c60477446e6f9221ec4f1f88ceabee2acd37601f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2013-04-04T15:46:56Z",
    "title_canon_sha256": "d767e8e16f0816dc4ca1d68dd7d1bc9e624d47c7cbfcf7b6263d13c9d1b21764"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.1407",
    "kind": "arxiv",
    "version": 1
  }
}