Pith Number

pith:FTNPRUUU

pith:2012:FTNPRUUUE5FV53FU4T4D6HGQ3S

not attested not anchored not stored refs pending

Studying Free-Space Transmission Statistics and Improving Free-Space QKD in the Turbulent Atmosphere

B. Heim, C. Erven, E. Meyer-Scott, G. Weihs, J. P. Bourgoin, R. Laflamme, T. Jennewein

arxiv:1208.0609 v2 · 2012-08-02 · 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{FTNPRUUUE5FV53FU4T4D6HGQ3S}

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	2026-05-18T03:34:59.266750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cdaf8d294274b5eecb4e4f83f1cd0dc9bf08e6e9847e23b5fa3d7bbcd7745e9

Aliases

arxiv: 1208.0609 · arxiv_version: 1208.0609v2 · doi: 10.48550/arxiv.1208.0609 · pith_short_12: FTNPRUUUE5FV · pith_short_16: FTNPRUUUE5FV53FU · pith_short_8: FTNPRUUU

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/FTNPRUUUE5FV53FU4T4D6HGQ3S \
  | 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: 2cdaf8d294274b5eecb4e4f83f1cd0dc9bf08e6e9847e23b5fa3d7bbcd7745e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d50663bd3f065c810eef0a4f4607069e31a8b2b748594591949fe316237ba916",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-08-02T20:03:54Z",
    "title_canon_sha256": "4007ded10d91cc0723549c451a7a7719d455fb2641a2cba63193864f0085d25b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.0609",
    "kind": "arxiv",
    "version": 2
  }
}