Pith Number

pith:NIUH4CB3

pith:2009:NIUH4CB3YQMMLYVVFYWNABYLLD

not attested not anchored not stored refs pending

Mode expansion and Bragg filtering enable a high-fidelity fiber-based photon-pair source

Alan Migdall, Alexander Ling, Jingyun Fan, Jun Chen

arxiv:0906.3328 v3 · 2009-06-18 · 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{NIUH4CB3YQMMLYVVFYWNABYLLD}

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	2026-05-18T00:37:05.920809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a287e083bc418c5e2b52e2cd0070b58e95ee4d374813b4b0b69460732b97055

Aliases

arxiv: 0906.3328 · arxiv_version: 0906.3328v3 · doi: 10.48550/arxiv.0906.3328 · pith_short_12: NIUH4CB3YQMM · pith_short_16: NIUH4CB3YQMMLYVV · pith_short_8: NIUH4CB3

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/NIUH4CB3YQMMLYVVFYWNABYLLD \
  | 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: 6a287e083bc418c5e2b52e2cd0070b58e95ee4d374813b4b0b69460732b97055

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02e41614f7cb7780071e15dda4f4ad8a041062c13f50df32d572cf2e5fd25428",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-06-18T01:08:15Z",
    "title_canon_sha256": "79e267dadad4aee91ed200e8ba499180bf352c0df459c210825819ed1b415bce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.3328",
    "kind": "arxiv",
    "version": 3
  }
}