Pith Number

pith:QEHBTM56

pith:2021:QEHBTM56ZRYRYLKQ62S66OVG4G

not attested not anchored not stored refs pending

Optical fibre-based (plug-and-play) single photon source using InAsP quantum dot nanowires and gradient-index lens collection

Dan Dalacu, David B. Northeast, Geof Aers, Jason Phoenix, Jean Lapointe, John F. Weber, Philip J. Poole, Robin L. Williams

arxiv:2104.11197 v1 · 2021-04-22 · physics.optics · physics.app-ph · 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{QEHBTM56ZRYRYLKQ62S66OVG4G}

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	2026-07-05T02:34:18.614145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

810e19b3becc711c2d50f6a5ef3aa6e1ac82a5d2ca24ed4b581ed3e860200416

Aliases

arxiv: 2104.11197 · arxiv_version: 2104.11197v1 · doi: 10.48550/arxiv.2104.11197 · pith_short_12: QEHBTM56ZRYR · pith_short_16: QEHBTM56ZRYRYLKQ · pith_short_8: QEHBTM56

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/QEHBTM56ZRYRYLKQ62S66OVG4G \
  | 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: 810e19b3becc711c2d50f6a5ef3aa6e1ac82a5d2ca24ed4b581ed3e860200416

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2233ec942b0ee2333ae14cd8da4c180b752245a366215254c1f88a5dbf2aaad8",
    "cross_cats_sorted": [
      "physics.app-ph",
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-04-22T17:29:08Z",
    "title_canon_sha256": "fdb0310c6297e3de150d43560e17799021e290dbdca467a41b51e3cc22d61485"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.11197",
    "kind": "arxiv",
    "version": 1
  }
}