Pith Number

pith:SEGEDS2R

pith:2008:SEGEDS2R2VSHOYMGXYBT2NC7A3

not attested not anchored not stored refs pending

The quantum-classical transition in thermally seeded parametric downconversion

Alessandra Andreoni, Ivo P Degiovanni, Marco Genovese, Maria Bondani, Matteo G A Paris, Valentina Schettini

arxiv:0811.3135 v1 · 2008-11-19 · 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{SEGEDS2R2VSHOYMGXYBT2NC7A3}

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	2026-05-18T03:24:42.617865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

910c41cb51d564776186be033d345f06e145347802f5598b1dda78bde422f1e7

Aliases

arxiv: 0811.3135 · arxiv_version: 0811.3135v1 · doi: 10.48550/arxiv.0811.3135 · pith_short_12: SEGEDS2R2VSH · pith_short_16: SEGEDS2R2VSHOYMG · pith_short_8: SEGEDS2R

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/SEGEDS2R2VSHOYMGXYBT2NC7A3 \
  | 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: 910c41cb51d564776186be033d345f06e145347802f5598b1dda78bde422f1e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5fc56bdc5e084bf4e2b459c39ad3ed2f118a1bdf073e3c8a8a98ed17b71b0b47",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-11-19T15:24:56Z",
    "title_canon_sha256": "6f3aec2e17ef7792d4a628f8647b4fc3cd8dc457716f2157c343b19f9ffcc621"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.3135",
    "kind": "arxiv",
    "version": 1
  }
}