Pith Number

pith:P454JZI5

pith:2015:P454JZI5QNEGQUA3BA6HPJLRAB

not attested not anchored not stored refs pending

Raman-free, noble-gas-filled PCF source for ultrafast, very bright twin-beam squeezed vacuum

Maria V. Chekhova, Martin A. Finger, Nicolas Y. Joly, Philip St.J. Russell, Timur Sh. Iskhakov

arxiv:1505.00606 v2 · 2015-05-04 · quant-ph · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P454JZI5QNEGQUA3BA6HPJLRAB}

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	2026-05-18T01:26:31.549878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f3bc4e51d834868501b083c77a571004623e8bf29f39b826c134e1304818ff7

Aliases

arxiv: 1505.00606 · arxiv_version: 1505.00606v2 · doi: 10.48550/arxiv.1505.00606 · pith_short_12: P454JZI5QNEG · pith_short_16: P454JZI5QNEGQUA3 · pith_short_8: P454JZI5

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/P454JZI5QNEGQUA3BA6HPJLRAB \
  | 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: 7f3bc4e51d834868501b083c77a571004623e8bf29f39b826c134e1304818ff7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a993d6b9d5ab104c0a4182d4c79934407f87072bc0db6ab6394164406bdea0c",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-05-04T12:10:57Z",
    "title_canon_sha256": "afe3d233ca8f661a928f5d9ba9e5fd854cc8420b20a99704105efbefe2961cce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.00606",
    "kind": "arxiv",
    "version": 2
  }
}