Pith Number

pith:XKMENE6K

pith:2016:XKMENE6KNQO6CMQ4V6UL7ZPWDG

not attested not anchored not stored refs pending

Heralded single-photon source utilizing highly nondegenerate, spectrally factorable spontaneous parametric downconversion

Alfred B. U'Ren, Fumihiro Kaneda, Karina Garay-Palmett, Paul G. Kwiat

arxiv:1603.08451 v1 · 2016-03-28 · 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{XKMENE6KNQO6CMQ4V6UL7ZPWDG}

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	2026-05-18T01:15:13.620742Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba984693ca6c1de1321cafa8bfe5f6199b887ee5392037165b7cd3ba165c912b

Aliases

arxiv: 1603.08451 · arxiv_version: 1603.08451v1 · doi: 10.48550/arxiv.1603.08451 · pith_short_12: XKMENE6KNQO6 · pith_short_16: XKMENE6KNQO6CMQ4 · pith_short_8: XKMENE6K

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/XKMENE6KNQO6CMQ4V6UL7ZPWDG \
  | 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: ba984693ca6c1de1321cafa8bfe5f6199b887ee5392037165b7cd3ba165c912b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "545a27ae3bff8e00808501f5569def691194db19a5aaa42afbde465c156d4166",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-03-28T17:35:57Z",
    "title_canon_sha256": "393b151cc30c0592cb4051bd4c137e1b4fe306c09fb86baa1ff5e91bfc485b71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.08451",
    "kind": "arxiv",
    "version": 1
  }
}