Pith Number

pith:FBAAHHD2

pith:2016:FBAAHHD2L3URLUHWEG3JVXLLJJ

not attested not anchored not stored refs pending

Photon-pair generation by non-instantaneous spontaneous four-wave mixing

Jacob G. Koefoed, Jesper B. Christensen, Karsten Rottwitt

arxiv:1612.04230 v3 · 2016-12-13 · 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{FBAAHHD2L3URLUHWEG3JVXLLJJ}

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	2026-05-18T00:45:14.735776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2840039c7a5ee915d0f621b69add6b4a41e99f47e9217ccd8352f8bbb06c80ad

Aliases

arxiv: 1612.04230 · arxiv_version: 1612.04230v3 · doi: 10.48550/arxiv.1612.04230 · pith_short_12: FBAAHHD2L3UR · pith_short_16: FBAAHHD2L3URLUHW · pith_short_8: FBAAHHD2

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/FBAAHHD2L3URLUHWEG3JVXLLJJ \
  | 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: 2840039c7a5ee915d0f621b69add6b4a41e99f47e9217ccd8352f8bbb06c80ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49b8482965f1740d2b0126dec8a62d826283bda7e15cf20c556ce170ea5b5d47",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-12-13T15:28:03Z",
    "title_canon_sha256": "7b34bbdc25c0891ed30e6750b259bda9120399c6b45476db9180987ca0b4ac94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.04230",
    "kind": "arxiv",
    "version": 3
  }
}