Pith Number

pith:VQHRP37Z

pith:2006:VQHRP37Z2BSHM3DBB4QOHIFFAM

not attested not anchored not stored refs pending

On the numerical characterization of atmospheric effects on an Earth-Space quantum communication channel

G. Brida, M. Genovese, M. Mondin, N. Antonietti

arxiv:quant-ph/0609049 v2 · 2006-09-06 · quant-ph

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

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	2026-05-18T01:37:54.286175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac0f17eff9d064766c610f20e3a0a503248a07edc73a4bf795c4a7b77dff72ad

Aliases

arxiv: quant-ph/0609049 · arxiv_version: quant-ph/0609049v2 · doi: 10.48550/arxiv.quant-ph/0609049 · pith_short_12: VQHRP37Z2BSH · pith_short_16: VQHRP37Z2BSHM3DB · pith_short_8: VQHRP37Z

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/VQHRP37Z2BSHM3DBB4QOHIFFAM \
  | 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: ac0f17eff9d064766c610f20e3a0a503248a07edc73a4bf795c4a7b77dff72ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7f9224ccf30707f9024458390a3ab0401db2b09a1b78e327660f681a36110d2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2006-09-06T15:39:35Z",
    "title_canon_sha256": "243bb8a6f91626349cf8e0aaa8fc3e3104d8064a4633e624db394afcc56abdc4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0609049",
    "kind": "arxiv",
    "version": 2
  }
}