Pith Number

pith:JY5BQJDN

pith:2007:JY5BQJDNHUQDEAK3BJRX7S3US2

not attested not anchored not stored refs pending

A superfluid helium converter for accumulation and extraction of ultracold neutrons

B. Franke, B. van den Brandt, C. Plonka, D. Rich, H.-F. Wirth, K. Baumann, M. Fertl, O. Zimmer, P. Schmidt-Wellenburg, S. Mironov

arxiv:0705.3960 v1 · 2007-05-27 · nucl-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JY5BQJDNHUQDEAK3BJRX7S3US2}

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.

Cited by

1 paper in Pith

High-Density Ultracold Neutron Source for Low-Energy Particle Physics Experiments

Receipt and verification

First computed	2026-07-04T15:18:40.691263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e3a18246d3d2032015b0a637fcb7496ae20a815fac3292da7b0697de1d2c3ec

Aliases

arxiv: 0705.3960 · arxiv_version: 0705.3960v1 · doi: 10.48550/arxiv.0705.3960 · pith_short_12: JY5BQJDNHUQD · pith_short_16: JY5BQJDNHUQDEAK3 · pith_short_8: JY5BQJDN

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/JY5BQJDNHUQDEAK3BJRX7S3US2 \
  | 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: 4e3a18246d3d2032015b0a637fcb7496ae20a815fac3292da7b0697de1d2c3ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47f2aa3d64fa6d66dcbc925bcae90c04e3766d3f869501a161469d523f7efe29",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nucl-ex",
    "submitted_at": "2007-05-27T17:03:27Z",
    "title_canon_sha256": "d4b63a9d97c9264147805a14273f6c51595e789dd0287e7a1de6d0880adda035"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0705.3960",
    "kind": "arxiv",
    "version": 1
  }
}