Pith Number

pith:OLUPOYUL

pith:2021:OLUPOYULDXJM5DYBHJEESRZO5I

not attested not anchored not stored refs pending

Optimised Domain-engineered Crystals for Pure Telecom Photon Sources

Agata M. Bra\'nczyk, Alessandro Fedrizzi, Alexander Pickston, Christopher Morrison, Francesco Graffitti, Joseph Ho, Peter Barrow

arxiv:2101.08280 v1 · 2021-01-20 · 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{OLUPOYULDXJM5DYBHJEESRZO5I}

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	2026-07-05T02:08:33.811461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72e8f7628b1dd2ce8f013a4849472eea23527f3c8de91278b325394f466c04a0

Aliases

arxiv: 2101.08280 · arxiv_version: 2101.08280v1 · doi: 10.48550/arxiv.2101.08280 · pith_short_12: OLUPOYULDXJM · pith_short_16: OLUPOYULDXJM5DYB · pith_short_8: OLUPOYUL

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/OLUPOYULDXJM5DYBHJEESRZO5I \
  | 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: 72e8f7628b1dd2ce8f013a4849472eea23527f3c8de91278b325394f466c04a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52cf19a7e49205aa03415e0fffc212b7e8f8ece022c47f02847d2236716f1e10",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-01-20T19:00:04Z",
    "title_canon_sha256": "185808184a70c1b7d333f79dcfc4f28e997856ff38c2af3f590e1a88f33ec28c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.08280",
    "kind": "arxiv",
    "version": 1
  }
}