Pith Number

pith:NNWQXICH

pith:2015:NNWQXICHKRXEWHFDZV5ZNQTRX3

not attested not anchored not stored refs pending

Strongly polarizing weakly coupled $^{13}$C nuclear spins with optically pumped nitrogen-vacancy center

Bao Liu, Ping Wang, Wen Yang

arxiv:1507.08775 v1 · 2015-07-31 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NNWQXICHKRXEWHFDZV5ZNQTRX3}

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	2026-05-18T01:11:05.177882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b6d0ba047546e4b1ca3cd7b96c271bed331b641bf55b60dd83d4b13f58511da

Aliases

arxiv: 1507.08775 · arxiv_version: 1507.08775v1 · doi: 10.48550/arxiv.1507.08775 · pith_short_12: NNWQXICHKRXE · pith_short_16: NNWQXICHKRXEWHFD · pith_short_8: NNWQXICH

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/NNWQXICHKRXEWHFDZV5ZNQTRX3 \
  | 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: 6b6d0ba047546e4b1ca3cd7b96c271bed331b641bf55b60dd83d4b13f58511da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb6e68c909a29b30ee14bcc8eb6c9b974666b741dd3b824a150bc0ec3711fa69",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-07-31T07:20:08Z",
    "title_canon_sha256": "920813ae385bf2b3439f165b202397e23bb629526d9d593935ebf8ca25702969"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.08775",
    "kind": "arxiv",
    "version": 1
  }
}