Pith Number

pith:X3D3G5SZ

pith:2026:X3D3G5SZJM5IGXCDV47QKQEHCD

not attested not anchored not stored refs pending

Solid-State NMR Dipolar Recoupling in Presence of Large Chemical Shielding Anisotropies by Quaternion-Based Effective Hamiltonian Optimal Control

Anders Bodholt Nielsen, Enik\H{o} Balig\'acs, Jos\'e P. Carvalho, Niels Chr. Nielsen, Nino Wili

arxiv:2607.13907 v1 · 2026-07-15 · physics.chem-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{X3D3G5SZJM5IGXCDV47QKQEHCD}

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	2026-07-16T01:23:12.954288Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bec7b376594b3a835c43af3f05408710fcf542fe23cc8e2412ca68d803043c54

Aliases

arxiv: 2607.13907 · arxiv_version: 2607.13907v1 · doi: 10.48550/arxiv.2607.13907 · pith_short_12: X3D3G5SZJM5I · pith_short_16: X3D3G5SZJM5IGXCD · pith_short_8: X3D3G5SZ

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/X3D3G5SZJM5IGXCDV47QKQEHCD \
  | 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: bec7b376594b3a835c43af3f05408710fcf542fe23cc8e2412ca68d803043c54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4be4599b89a175d0c3e30a963a250820aa1a9cfa0880a2fed15f47ba752bcd33",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2026-07-15T14:46:52Z",
    "title_canon_sha256": "02958336a92ab4190c313493ed03eddbbb01fc81eca476e9977a4156f95924b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.13907",
    "kind": "arxiv",
    "version": 1
  }
}