Pith Number

pith:DYXAADXF

pith:2005:DYXAADXFFJF2HP7EZPN3DJ7QAR

not attested not anchored not stored refs pending

Optimal universal programmable detectors for unambiguous discrimination

Bo Qiao, Chi Zhang, Mingsheng Ying

arxiv:quant-ph/0512029 v3 · 2005-12-04 · 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{DYXAADXFFJF2HP7EZPN3DJ7QAR}

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	2026-07-04T14:52:23.461917Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e2e000ee52a4ba3bfe4cbdbb1a7f0044ad8a5e3c487b235aa6fe2af0a7e8d0b

Aliases

arxiv: quant-ph/0512029 · arxiv_version: quant-ph/0512029v3 · doi: 10.48550/arxiv.quant-ph/0512029 · pith_short_12: DYXAADXFFJF2 · pith_short_16: DYXAADXFFJF2HP7E · pith_short_8: DYXAADXF

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/DYXAADXFFJF2HP7EZPN3DJ7QAR \
  | 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: 1e2e000ee52a4ba3bfe4cbdbb1a7f0044ad8a5e3c487b235aa6fe2af0a7e8d0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ece4cabfd2d7e1e1866ff0221082405a4716bc27aba43f503903f09dc9b1b72",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-12-04T07:17:29Z",
    "title_canon_sha256": "4b550a0624d078893260c3754bb9ba316a1bd03f570430b1290e8fd597dda3db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0512029",
    "kind": "arxiv",
    "version": 3
  }
}