Pith Number

pith:2VEMCCK6

pith:2006:2VEMCCK6YJIMKUADEY64GWZ3L4

not attested not anchored not stored refs pending

A laser-driven target of high-density nuclear polarized hydrogen gas

B. Clasie, C. Crawford, D. Dutta, H. Gao, J. Seely, W. Xu

arxiv:physics/0601202 v1 · 2006-01-25 · physics.atom-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{2VEMCCK6YJIMKUADEY64GWZ3L4}

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	2026-07-04T17:02:24.384572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d548c1095ec250c55003263dc35b3b5f0251f3b675bbe7da570664808ffc09de

Aliases

arxiv: physics/0601202 · arxiv_version: physics/0601202v1 · doi: 10.48550/arxiv.physics/0601202 · pith_short_12: 2VEMCCK6YJIM · pith_short_16: 2VEMCCK6YJIMKUAD · pith_short_8: 2VEMCCK6

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/2VEMCCK6YJIMKUADEY64GWZ3L4 \
  | 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: d548c1095ec250c55003263dc35b3b5f0251f3b675bbe7da570664808ffc09de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb8838f7722ec28cbf04d07fe35b9d565e0fd664a333a3d3b129aca002bec6a4",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2006-01-25T23:58:11Z",
    "title_canon_sha256": "b74e5c8cbcfdc173da42e3515d3e941a6b06e66386c2a4940083e2b7d6241a05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0601202",
    "kind": "arxiv",
    "version": 1
  }
}