Pith Number

pith:D56TQJVZ

pith:2019:D56TQJVZ2PKINUDRCGKTELXNCG

not attested not anchored not stored refs pending

Evaporative cooling to a Rydberg crystal close to its ground state

David Papoular, Michel Brune

arxiv:1909.02367 v2 · 2019-09-05 · cond-mat.quant-gas

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D56TQJVZ2PKINUDRCGKTELXNCG}

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	2026-07-05T00:55:03.499587Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f7d3826b9d3d486d0711195322eed1197b0e41a4309536f2c843d41f0373980

Aliases

arxiv: 1909.02367 · arxiv_version: 1909.02367v2 · doi: 10.48550/arxiv.1909.02367 · pith_short_12: D56TQJVZ2PKI · pith_short_16: D56TQJVZ2PKINUDR · pith_short_8: D56TQJVZ

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/D56TQJVZ2PKINUDRCGKTELXNCG \
  | 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: 1f7d3826b9d3d486d0711195322eed1197b0e41a4309536f2c843d41f0373980

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1931b1f63af762c38f6b97448060228fabb2079a7b4f32c3fa3cfe313e422287",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2019-09-05T12:50:39Z",
    "title_canon_sha256": "58f859d1c7f88fdb3ad04d54c7f56ad42802b47ac97e2817f364d3a961941154"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.02367",
    "kind": "arxiv",
    "version": 2
  }
}