Pith Number

pith:TIOX6R5J

pith:2009:TIOX6R5JONE4ZFQOS5QA742DSK

not attested not anchored not stored refs pending

Passive-scheme analysis for solving untrusted source problem in quantum key distribution

Bingjie Xu, Hong Guo, Xiang Peng

arxiv:0908.1641 v4 · 2009-08-12 · 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{TIOX6R5JONE4ZFQOS5QA742DSK}

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	2026-05-18T03:23:58.274895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a1d7f47a97349cc960e97600ff34392bbd93541dfc39252d28e408ead38baf3

Aliases

arxiv: 0908.1641 · arxiv_version: 0908.1641v4 · doi: 10.48550/arxiv.0908.1641 · pith_short_12: TIOX6R5JONE4 · pith_short_16: TIOX6R5JONE4ZFQO · pith_short_8: TIOX6R5J

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/TIOX6R5JONE4ZFQOS5QA742DSK \
  | 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: 9a1d7f47a97349cc960e97600ff34392bbd93541dfc39252d28e408ead38baf3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90c87f5176231820722028a6452368206c417b6391c9f5ca82f4176d5b7175bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-08-12T08:41:49Z",
    "title_canon_sha256": "cbd279d33a772c4f366f8d20bf5218364842af730d2bdbe031641b702ebb18c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.1641",
    "kind": "arxiv",
    "version": 4
  }
}