Pith Number

pith:JKYXQMAG

pith:2015:JKYXQMAGA55HPXCFSHGEJDGVI2

not attested not anchored not stored refs pending

Ultra-low-noise room-temperature quantum memory for polarization qubits

Bertus Jordaan, Connor Kupchak, Eden Figueroa, Mehdi Namazi, Reihaneh Shahrokhshahi

arxiv:1512.07374 v2 · 2015-12-23 · 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	2026-05-18T00:33:53.435353Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ab1783006077a77dc4591cc448cd546802932670f4ef099a42bbf0bfed80fbf

Aliases

arxiv: 1512.07374 · arxiv_version: 1512.07374v2 · doi: 10.48550/arxiv.1512.07374 · pith_short_12: JKYXQMAGA55H · pith_short_16: JKYXQMAGA55HPXCF · pith_short_8: JKYXQMAG

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/JKYXQMAGA55HPXCFSHGEJDGVI2 \
  | 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: 4ab1783006077a77dc4591cc448cd546802932670f4ef099a42bbf0bfed80fbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be475fe81f7175c942bfb71157cba332ba79de64d921ef982c4f6cb63b49ef8a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-12-23T07:39:01Z",
    "title_canon_sha256": "1d735bec67df2a4e3dd44d4d20a8a44e4bb9d1eb09ac84c8b8c62ff812469908"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.07374",
    "kind": "arxiv",
    "version": 2
  }
}