Pith Number

pith:F75YECSL

pith:2021:F75YECSLQBBFIKIMD2FN4RD7VB

not attested not anchored not stored refs pending

Quantum holography with undetected light

Fabian Steinlechner, Jorge Fuenzalida, Juan P. Torres, Markus Gr\"afe, Marta Gilaberte Basset, Sebastian T\"opfer

arxiv:2106.04904 v3 · 2021-06-09 · 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{F75YECSLQBBFIKIMD2FN4RD7VB}

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	2026-07-05T04:18:46.981604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ffb820a4b804254290c1e8ade447fa84c1cce3ae2d89ad6ef4f3d70a89d2463

Aliases

arxiv: 2106.04904 · arxiv_version: 2106.04904v3 · doi: 10.48550/arxiv.2106.04904 · pith_short_12: F75YECSLQBBF · pith_short_16: F75YECSLQBBFIKIM · pith_short_8: F75YECSL

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/F75YECSLQBBFIKIMD2FN4RD7VB \
  | 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: 2ffb820a4b804254290c1e8ade447fa84c1cce3ae2d89ad6ef4f3d70a89d2463

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7446967b381265c935bce153ef9648f53ea9a1c310c902145abb0ce645b2650f",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-06-09T08:42:51Z",
    "title_canon_sha256": "41b4b20e3607c21f74f5c9c30b03ca65a0073d20dc526c75412a0947e832af5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.04904",
    "kind": "arxiv",
    "version": 3
  }
}