Pith Number

pith:XBDMGSNK

pith:2002:XBDMGSNKFLKSX5IOQFC2G3DKQC

not attested not anchored not stored refs pending

Experimental investigation of pulsed entangled photons and photonic quantum channels

Akihisa Tomita, Kazuo Nakamura, Keiji Matsumoto, Koji. Usami, Satoshi Ishizaka, Tohya Hiroshima, Yoshihiro Nambu, Yoshiyuki Tsuda

arxiv:quant-ph/0210147 v1 · 2002-10-21 · 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{XBDMGSNKFLKSX5IOQFC2G3DKQC}

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	2026-05-18T01:37:59.745284Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b846c349aa2ad52bf50e8145a36c6a80b6002167096d0f1b8157ce04632d0ef3

Aliases

arxiv: quant-ph/0210147 · arxiv_version: quant-ph/0210147v1 · doi: 10.48550/arxiv.quant-ph/0210147 · pith_short_12: XBDMGSNKFLKS · pith_short_16: XBDMGSNKFLKSX5IO · pith_short_8: XBDMGSNK

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/XBDMGSNKFLKSX5IOQFC2G3DKQC \
  | 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: b846c349aa2ad52bf50e8145a36c6a80b6002167096d0f1b8157ce04632d0ef3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba53f1e49d29ed20a0b40f09ba499f92a3c99f679a9af62b8c066ffebd6a5270",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2002-10-21T16:03:56Z",
    "title_canon_sha256": "1ef7dfc021cfb9e2f3a8cc0ece381690ffafdc07a0f162cf4eed4a9fc800a9ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0210147",
    "kind": "arxiv",
    "version": 1
  }
}