Pith Number

pith:MPDSYZVF

pith:2018:MPDSYZVFBNQ2GIA5BT4JSQB2KY

not attested not anchored not stored refs pending

Cryogen-Free dissolution Dynamic Nuclear Polarization polarizer operating at 3.35 T, 6.70 T and 10.1 T

Jan Henrik Ardenkjaer-Larsen, Jan Raagaard Petersen, Mads Sloth Vinding, Marcus Ullisch, Niels Chr. Nielsen, Oleksandr Rybalko, Sean Bowen

arxiv:1808.04870 v2 · 2018-08-14 · physics.med-ph · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MPDSYZVFBNQ2GIA5BT4JSQB2KY}

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	2026-05-18T00:07:05.500302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

63c72c66a50b61a3201d0cf899403a5618094f38c7cfa2799b5608ea472976b8

Aliases

arxiv: 1808.04870 · arxiv_version: 1808.04870v2 · doi: 10.48550/arxiv.1808.04870 · pith_short_12: MPDSYZVFBNQ2 · pith_short_16: MPDSYZVFBNQ2GIA5 · pith_short_8: MPDSYZVF

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/MPDSYZVFBNQ2GIA5BT4JSQB2KY \
  | 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: 63c72c66a50b61a3201d0cf899403a5618094f38c7cfa2799b5608ea472976b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df54043e95bc608d0f2d3d6cbd00dafa12c29348721104cf9f8969c870f94f7c",
    "cross_cats_sorted": [
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2018-08-14T19:34:35Z",
    "title_canon_sha256": "41eb3c9193b6083e2522d2dd2efcbb7c20695057aef89abd19435ff087a8e86e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.04870",
    "kind": "arxiv",
    "version": 2
  }
}