Pith Number

pith:4EZ76J3G

pith:2009:4EZ76J3GISARM52S4PF33ZRHHO

not attested not anchored not stored refs pending

Production of Ultra-Cold-Neutrons in Solid \alpha-Oxygen

A. Frei, A. Maier, A. Orecchini, E. Gutsmiedl, F. Boehle, H. Schober, S. Paul

arxiv:0911.4398 v2 · 2009-11-23 · 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{4EZ76J3GISARM52S4PF33ZRHHO}

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	2026-05-18T02:10:37.497834Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e133ff27664481167752e3cbbde6273bb6da99690075f9a5cbf8b6293e3f4ad2

Aliases

arxiv: 0911.4398 · arxiv_version: 0911.4398v2 · doi: 10.48550/arxiv.0911.4398 · pith_short_12: 4EZ76J3GISAR · pith_short_16: 4EZ76J3GISARM52S · pith_short_8: 4EZ76J3G

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/4EZ76J3GISARM52S4PF33ZRHHO \
  | 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: e133ff27664481167752e3cbbde6273bb6da99690075f9a5cbf8b6293e3f4ad2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a27534823acb7bcfebcf9d1c99294ef5983b2d6c11e8441c71133739109ec566",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-ex",
    "submitted_at": "2009-11-23T13:35:15Z",
    "title_canon_sha256": "a848b283b4e371e37460bbe291317a25fda5fd2e4b3f9b02aa01b6745f825477"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.4398",
    "kind": "arxiv",
    "version": 2
  }
}