Pith Number

pith:HTM7UJU5

pith:2018:HTM7UJU5W2OJCDKBFD7ZPF7BR7

not attested not anchored not stored refs pending

Orientation independent room-temperature optical 13C hyperpolarization in powdered diamond

A. Ajoy, A. Lin, A. Pines, B. Safvati, C. A. Meriles, D. Arnold, D. Pagliero, D. Suter, E. Druga, G. Li, G. Wang, J. A. Reimer, K. Liu, P. Raghavan, P.R. Zangara, R. Nazaryan, S. Dhomkar, X. Lv

arxiv:1806.09812 v1 · 2018-06-26 · physics.app-ph · physics.atom-ph · 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{HTM7UJU5W2OJCDKBFD7ZPF7BR7}

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	2026-05-18T00:12:23.279222Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cd9fa269db69c910d4128ff9797e18fed80ac4bb36a771317231cf616aadcee

Aliases

arxiv: 1806.09812 · arxiv_version: 1806.09812v1 · doi: 10.48550/arxiv.1806.09812 · pith_short_12: HTM7UJU5W2OJ · pith_short_16: HTM7UJU5W2OJCDKB · pith_short_8: HTM7UJU5

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/HTM7UJU5W2OJCDKBFD7ZPF7BR7 \
  | 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: 3cd9fa269db69c910d4128ff9797e18fed80ac4bb36a771317231cf616aadcee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "229f973297cd5857085a14638d2f9b09e00655846ee9f9d31ee6493818d88125",
    "cross_cats_sorted": [
      "physics.atom-ph",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2018-06-26T06:55:58Z",
    "title_canon_sha256": "b32ecc43443c102f93bc717266c621f159fe375672550f477d42510bb3173236"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.09812",
    "kind": "arxiv",
    "version": 1
  }
}