Pith Number

pith:GO6QHCMH

pith:2021:GO6QHCMHLYIANGO7L36QZ23EUI

not attested not anchored not stored refs pending

Measuring the joint spectral mode of photon pairs using intensity interferometry

B. A. Bell, G. S. Thekkadath, I. A. Walmsley, M. S. Kim, R. B. Patel

arxiv:2107.06244 v2 · 2021-07-13 · 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{GO6QHCMHLYIANGO7L36QZ23EUI}

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	2026-07-05T03:47:21.753226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33bd0389875e100699df5efd0ceb64a235cc50762cc45b67a65399fc0346ccfd

Aliases

arxiv: 2107.06244 · arxiv_version: 2107.06244v2 · doi: 10.48550/arxiv.2107.06244 · pith_short_12: GO6QHCMHLYIA · pith_short_16: GO6QHCMHLYIANGO7 · pith_short_8: GO6QHCMH

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/GO6QHCMHLYIANGO7L36QZ23EUI \
  | 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: 33bd0389875e100699df5efd0ceb64a235cc50762cc45b67a65399fc0346ccfd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eaf12dcd2c1aaf300e6ee8f3873f3cb70653c4dbedfc0fe9e96d671951387ac4",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-07-13T17:04:40Z",
    "title_canon_sha256": "2180b8c1bc2668155856b86f72d7289f3bf154d437c1b549ca15f9d70935a21e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.06244",
    "kind": "arxiv",
    "version": 2
  }
}