Pith Number

pith:SRS3AMVE

pith:2012:SRS3AMVEZHYGA7HIXLLBZDW3R2

not attested not anchored not stored refs pending

A high-brightness source of polarization-entangled photons optimized for applications in free space

Daniel Perez, Fabian Steinlechner, Harald Weinfurter, Henning Weier, John Rarity, Juan P. Torres, Marc Jofre, Morgan W. Mitchell, Pavel Trojek, Rupert Ursin, Thomas Jennewein, Valerio Pruneri

arxiv:1204.5330 v1 · 2012-04-24 · 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{SRS3AMVEZHYGA7HIXLLBZDW3R2}

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	2026-05-18T03:57:13.483090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9465b032a4c9f0607ce8bad61c8edb8ea7e5f15f48e95e45e08c280cdc2a6c5a

Aliases

arxiv: 1204.5330 · arxiv_version: 1204.5330v1 · doi: 10.48550/arxiv.1204.5330 · pith_short_12: SRS3AMVEZHYG · pith_short_16: SRS3AMVEZHYGA7HI · pith_short_8: SRS3AMVE

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/SRS3AMVEZHYGA7HIXLLBZDW3R2 \
  | 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: 9465b032a4c9f0607ce8bad61c8edb8ea7e5f15f48e95e45e08c280cdc2a6c5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53159ee378b79c550c199b04e3eeb6777b5492f785adb4745be208fc66c73274",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-04-24T11:02:37Z",
    "title_canon_sha256": "720dba6348510dc9f83b1fa924813065eaa81b5aed1822a24be5fe207c7d17f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5330",
    "kind": "arxiv",
    "version": 1
  }
}