Pith Number

pith:G2KBHAUD

pith:2017:G2KBHAUDQPABIMLRLF2RVXUMR6

not attested not anchored not stored refs pending

Semidefinite programming converse bounds for quantum communication

Kun Fang, Runyao Duan, Xin Wang

arxiv:1709.00200 v3 · 2017-09-01 · 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{G2KBHAUDQPABIMLRLF2RVXUMR6}

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	2026-05-17T23:47:08.822464Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

369413828383c014317159751ade8c8fbfc9fd24c35a6ddf50ac50e6265cbf4b

Aliases

arxiv: 1709.00200 · arxiv_version: 1709.00200v3 · doi: 10.48550/arxiv.1709.00200 · pith_short_12: G2KBHAUDQPAB · pith_short_16: G2KBHAUDQPABIMLR · pith_short_8: G2KBHAUD

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/G2KBHAUDQPABIMLRLF2RVXUMR6 \
  | 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: 369413828383c014317159751ade8c8fbfc9fd24c35a6ddf50ac50e6265cbf4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "729edfb047f90df657fbf71d3500524ed6f19194e0ecfdb97655d3ffbb0bbb18",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-09-01T08:45:57Z",
    "title_canon_sha256": "180ffa8d5d7c13caed600e59cfddfb1c5caa9a6d2ce11bb07b8d21a0d4bd1d79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.00200",
    "kind": "arxiv",
    "version": 3
  }
}