Pith Number

pith:P4LYOUSJ

pith:2023:P4LYOUSJTWQQOOP2UCF3AVVXMX

not attested not anchored not stored refs pending

Broadband spectroscopy and interferometry with undetected photons at strong parametric amplification

Dmitri B. Horoshko, Kazuki Hashimoto, Maria V. Chekhova

arxiv:2309.08218 v1 · 2023-09-15 · 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{P4LYOUSJTWQQOOP2UCF3AVVXMX}

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	2026-07-05T11:50:24.852038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f178752499da10739faa08bb056b765f5daafe7df6a1dd645ea174f7149dfb1

Aliases

arxiv: 2309.08218 · arxiv_version: 2309.08218v1 · doi: 10.48550/arxiv.2309.08218 · pith_short_12: P4LYOUSJTWQQ · pith_short_16: P4LYOUSJTWQQOOP2 · pith_short_8: P4LYOUSJ

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/P4LYOUSJTWQQOOP2UCF3AVVXMX \
  | 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: 7f178752499da10739faa08bb056b765f5daafe7df6a1dd645ea174f7149dfb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d7c0d01f370a02e00091c9ef826b8f6743c24445f847a0f8065b4815a3cf9ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2023-09-15T07:35:38Z",
    "title_canon_sha256": "4d09d662e1fde16799cc37909593108fcab4536d32b94247a20729177ff14fa6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.08218",
    "kind": "arxiv",
    "version": 1
  }
}