Pith Number

pith:4U2KEM5P

pith:2026:4U2KEM5PMMRMZJ6TKXLD3KPJRO

not attested not anchored not stored refs pending

Coherent temporal filtering of multimode parametric down-conversion using a quantum pulse gate

Abhinandan Bhattacharjee, Benjamin Brecht, Christine Silberhorn, Laura Serino, Patrick Folge, Sebastian Lengeling

arxiv:2608.12544 v1 · 2026-08-12 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4U2KEM5PMMRMZJ6TKXLD3KPJRO}

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	2026-08-14T00:44:41.574995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e534a233af6322cca7d355d63da9e98b8c511e610c88792a844d8b1dd9ef19f9

Aliases

arxiv: 2608.12544 · arxiv_version: 2608.12544v1 · doi: 10.48550/arxiv.2608.12544 · pith_short_12: 4U2KEM5PMMRM · pith_short_16: 4U2KEM5PMMRMZJ6T · pith_short_8: 4U2KEM5P

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/4U2KEM5PMMRMZJ6TKXLD3KPJRO \
  | 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: e534a233af6322cca7d355d63da9e98b8c511e610c88792a844d8b1dd9ef19f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f3036db895ae9a2fe19d18f935c2978df6f2ca9f664907b231236c6240ef72c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-08-12T19:28:56Z",
    "title_canon_sha256": "4624b5b8e9336ad311c16717a22a228cc634ac980e7abf650d401dfa64d01d06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.12544",
    "kind": "arxiv",
    "version": 1
  }
}