Pith Number

pith:VQE2EYCQ

pith:2019:VQE2EYCQJ3X2RHPDHP2NM7SJZ5

not attested not anchored not stored refs pending

Level crossings and Fisher information of two hard-core bosons in a two-dimensional trap

Dimitris Saraidaris, Fotios Diakonos, Ioannis Brouzos, Ioannis Mitrakos

arxiv:1903.08499 v1 · 2019-03-20 · quant-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	2026-05-17T23:50:47.943957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac09a260504eefa89de33bf4d67e49cf7b2e8030db20976c0b5b92249dd37849

Aliases

arxiv: 1903.08499 · arxiv_version: 1903.08499v1 · doi: 10.48550/arxiv.1903.08499 · pith_short_12: VQE2EYCQJ3X2 · pith_short_16: VQE2EYCQJ3X2RHPD · pith_short_8: VQE2EYCQ

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/VQE2EYCQJ3X2RHPDHP2NM7SJZ5 \
  | 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: ac09a260504eefa89de33bf4d67e49cf7b2e8030db20976c0b5b92249dd37849

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0edf1dc76fde50f47c747713742a9f01e0152a58446660448a8cffbd8a8b495",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-03-20T13:24:34Z",
    "title_canon_sha256": "e879f90fa7595e1eeb65aa8a27a2d87e4f9be0dcd9c23e4e960f17da31e967bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.08499",
    "kind": "arxiv",
    "version": 1
  }
}