Pith Number

pith:EJIMOC5U

pith:2018:EJIMOC5U5LNKXCPLXL5FDW2YXK

not attested not anchored not stored refs pending

Resistive cooling of highly charged ions in a Penning trap to a fluid-like state

G. Birkl, M.S. Ebrahimi, M. Vogel, M. Wiesel, W. Quint, Z. Guo

arxiv:1809.08606 v1 · 2018-09-23 · physics.atom-ph

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

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	2026-05-18T00:05:03.993138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2250c70bb4eadaab89ebbafa51db58baa2916c23d44172af00ae2e8f74789ad4

Aliases

arxiv: 1809.08606 · arxiv_version: 1809.08606v1 · doi: 10.48550/arxiv.1809.08606 · pith_short_12: EJIMOC5U5LNK · pith_short_16: EJIMOC5U5LNKXCPL · pith_short_8: EJIMOC5U

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/EJIMOC5U5LNKXCPLXL5FDW2YXK \
  | 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: 2250c70bb4eadaab89ebbafa51db58baa2916c23d44172af00ae2e8f74789ad4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d184277e19052783f94fe88b621b11b3da2c2ce1d176bc62ce835d08b9da8dfc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2018-09-23T14:29:34Z",
    "title_canon_sha256": "973e2a05707a53486d9f7ee6269f7af9f2f4870f22aab1fd2ca94453e27f2b07"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.08606",
    "kind": "arxiv",
    "version": 1
  }
}