Pith Number

pith:BQUMRSHI

pith:2015:BQUMRSHIDCDKWQGLBZW4NX5QL4

not attested not anchored not stored refs pending

Electron spin resonance spectroscopy of small ensemble paramagnetic spins using a single nitrogen-vacancy center in diamond

Chathuranga Abeywardana, Franklin H. Cho, Susumu Takahashi, Viktor Stepanov

arxiv:1507.08744 v2 · 2015-07-31 · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BQUMRSHIDCDKWQGLBZW4NX5QL4}

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	2026-05-18T01:03:20.367092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c28c8c8e81886ab40cb0e6dc6dfb05f3517651e1cde2fecf4807398231d53b5

Aliases

arxiv: 1507.08744 · arxiv_version: 1507.08744v2 · doi: 10.48550/arxiv.1507.08744 · pith_short_12: BQUMRSHIDCDK · pith_short_16: BQUMRSHIDCDKWQGL · pith_short_8: BQUMRSHI

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/BQUMRSHIDCDKWQGLBZW4NX5QL4 \
  | 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: 0c28c8c8e81886ab40cb0e6dc6dfb05f3517651e1cde2fecf4807398231d53b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcafcedbfe038bafda22d541284b6edabbd26fdd93e0006ef248c687b4fd0f86",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2015-07-31T03:52:36Z",
    "title_canon_sha256": "7ed5f34e5bd8e5f4070c061a961bed4c1f98f3654a8ab4d8abe536ac8e3a27ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.08744",
    "kind": "arxiv",
    "version": 2
  }
}