Pith Number

pith:C2CKSTHD

pith:1998:C2CKSTHDE2NKIJDKD6WCBFAHLE

not attested not anchored not stored refs pending

Pulsed energy-time entangled twin-photon source for quantum communication

H. Zbinden, J. Brendel, N. Gisin, W. Tittel

arxiv:quant-ph/9809034 v1 · 1998-09-11 · 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{C2CKSTHDE2NKIJDKD6WCBFAHLE}

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	2026-05-18T01:05:00.441221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1684a94ce3269aa4246a1fac20940759338085bf9c8a390c86e8d03fa8b41f83

Aliases

arxiv: quant-ph/9809034 · arxiv_version: quant-ph/9809034v1 · doi: 10.48550/arxiv.quant-ph/9809034 · pith_short_12: C2CKSTHDE2NK · pith_short_16: C2CKSTHDE2NKIJDK · pith_short_8: C2CKSTHD

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/C2CKSTHDE2NKIJDKD6WCBFAHLE \
  | 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: 1684a94ce3269aa4246a1fac20940759338085bf9c8a390c86e8d03fa8b41f83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f0c193c3175e38dd286ca33df545cef6c1e575af301ff82a5d8957e8c3a30a7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "1998-09-11T16:06:35Z",
    "title_canon_sha256": "aa8f208a34f6f351884a00808e224ab4d066a8d7b77dc27aca25ef3716c6cd68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/9809034",
    "kind": "arxiv",
    "version": 1
  }
}