Pith Number

pith:7ZKQ3GTH

pith:2012:7ZKQ3GTHBKHR5D4GGVHLKW6TZS

not attested not anchored not stored refs pending

Telecommunications-band heralded single photons from a silicon nanophotonic chip

Alberto Tosi, Andrea Bahgat Shehata, Fengnian Xia, Imad Agha, Jun Rong Ong, Kartik Srinivasan, Marcelo Davanco, Shayan Mookherjea, Solomon Assefa, William M. J. Green

arxiv:1201.2659 v1 · 2012-01-12 · 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{7ZKQ3GTHBKHR5D4GGVHLKW6TZS}

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	2026-05-18T01:58:51.939080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe550d9a670a8f1e8f86354eb55bd3cc8df803ec06b772486f734611901bf91a

Aliases

arxiv: 1201.2659 · arxiv_version: 1201.2659v1 · doi: 10.48550/arxiv.1201.2659 · pith_short_12: 7ZKQ3GTHBKHR · pith_short_16: 7ZKQ3GTHBKHR5D4G · pith_short_8: 7ZKQ3GTH

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/7ZKQ3GTHBKHR5D4GGVHLKW6TZS \
  | 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: fe550d9a670a8f1e8f86354eb55bd3cc8df803ec06b772486f734611901bf91a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db1a113490544ce3f1f9420b598008068306dce56abfa065de3d0cbdcf803ec2",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-01-12T20:16:49Z",
    "title_canon_sha256": "74495d86f42181268c3de7fc6f07fc5bd6f09be1721c52d0397ac40b9596b794"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2659",
    "kind": "arxiv",
    "version": 1
  }
}