Pith Number

pith:Q3ZIYWFA

pith:2013:Q3ZIYWFABD74XATJDUD7MAS5P5

not attested not anchored not stored refs pending

Quantum-enhanced metrology for multiple phase estimation with noise

Heng Fan, Jie-Dong Yue, Yu-Ran Zhang

arxiv:1310.4959 v3 · 2013-10-18 · 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{Q3ZIYWFABD74XATJDUD7MAS5P5}

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	2026-05-18T02:45:31.864391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86f28c58a008ffcb82691d07f6025d7f61c2a7614517760e1fadb59d7a086018

Aliases

arxiv: 1310.4959 · arxiv_version: 1310.4959v3 · doi: 10.48550/arxiv.1310.4959 · pith_short_12: Q3ZIYWFABD74 · pith_short_16: Q3ZIYWFABD74XATJ · pith_short_8: Q3ZIYWFA

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/Q3ZIYWFABD74XATJDUD7MAS5P5 \
  | 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: 86f28c58a008ffcb82691d07f6025d7f61c2a7614517760e1fadb59d7a086018

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ca7066b6b2b9464b8a11b360cb7c7872eb4c11f205f01219e9bc443dc782a2a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-10-18T09:22:59Z",
    "title_canon_sha256": "21281719dd5283c4435998131110e5a6a8b8f42cbf9232b928779de8f6f683a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.4959",
    "kind": "arxiv",
    "version": 3
  }
}