Pith Number

pith:NVA5X45U

pith:2003:NVA5X45UKV2BYFTZKHX34QGPEM

not attested not anchored not stored refs pending

Entangled light in transition through the generation threshold

G. Yu. Kryuchkyan, L. A. Manukyan

arxiv:quant-ph/0304205 v2 · 2003-04-30 · 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{NVA5X45UKV2BYFTZKHX34QGPEM}

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	2026-07-04T14:46:10.535390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d41dbf3b455741c167951efbe40cf231bf1f88efbe25689fe77650ec344f6ee

Aliases

arxiv: quant-ph/0304205 · arxiv_version: quant-ph/0304205v2 · doi: 10.48550/arxiv.quant-ph/0304205 · pith_short_12: NVA5X45UKV2B · pith_short_16: NVA5X45UKV2BYFTZ · pith_short_8: NVA5X45U

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/NVA5X45UKV2BYFTZKHX34QGPEM \
  | 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: 6d41dbf3b455741c167951efbe40cf231bf1f88efbe25689fe77650ec344f6ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa5c516e460cfa7b976dc1a1ea957c6e5282878936df99f3ae5204e2a917eb77",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2003-04-30T15:14:00Z",
    "title_canon_sha256": "1ea4b05a4fa073cad9e752f09cb3501c1763f13581a9d2ca949bd3c95d6a2430"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0304205",
    "kind": "arxiv",
    "version": 2
  }
}