Pith Number

pith:IL5NPCGJ

pith:2015:IL5NPCGJ4747JAGPTDLHKD5MPJ

not attested not anchored not stored refs pending

Coherence times of precisely depth controlled NV centers in diamond

Fupan Feng, Guanzhong Wang, GuoPing Guo, Jian Zhang, Jie You, Junfeng Wang, Liren Lou, Wei Zhu, Wenlong Zhang, Xuerui Song, Yan Li

arxiv:1507.06207 v2 · 2015-07-22 · quant-ph · cond-mat.mes-hall

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IL5NPCGJ4747JAGPTDLHKD5MPJ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:18:44.039630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42fad788c9e7f9f480cf98d6750fac7a6d4dac1a1dffa562f0d269ae6d4adc75

Aliases

arxiv: 1507.06207 · arxiv_version: 1507.06207v2 · doi: 10.48550/arxiv.1507.06207 · pith_short_12: IL5NPCGJ4747 · pith_short_16: IL5NPCGJ4747JAGP · pith_short_8: IL5NPCGJ

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/IL5NPCGJ4747JAGPTDLHKD5MPJ \
  | 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: 42fad788c9e7f9f480cf98d6750fac7a6d4dac1a1dffa562f0d269ae6d4adc75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa7f95a276c5743a05752cecf9d9c7a4fa1c50e8bd5ed32f447041d4567b0211",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-07-22T14:30:38Z",
    "title_canon_sha256": "58329e076a47eb30872ffbe0cae3f684961dad17670d3acd393683c1c59c35c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.06207",
    "kind": "arxiv",
    "version": 2
  }
}