Pith Number

pith:DAT4QYTQ

pith:2010:DAT4QYTQNKMTU2ZVDFFLOW4YNE

not attested not anchored not stored refs pending

Phase estimation without a priori knowledge in the presence of loss

Jan Kolodynski, Rafal Demkowicz-Dobrzanski

arxiv:1006.0734 v3 · 2010-06-03 · 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{DAT4QYTQNKMTU2ZVDFFLOW4YNE}

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	2026-05-18T04:36:50.175729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1827c862706a993a6b35194ab75b986901e1afb074c164a2332715f9ff6cfe7f

Aliases

arxiv: 1006.0734 · arxiv_version: 1006.0734v3 · doi: 10.48550/arxiv.1006.0734 · pith_short_12: DAT4QYTQNKMT · pith_short_16: DAT4QYTQNKMTU2ZV · pith_short_8: DAT4QYTQ

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/DAT4QYTQNKMTU2ZVDFFLOW4YNE \
  | 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: 1827c862706a993a6b35194ab75b986901e1afb074c164a2332715f9ff6cfe7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a29f00aa2aef91a40297947c25641fa3ed3a26e1b9129b448613d9e4f053ebf0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-06-03T20:12:05Z",
    "title_canon_sha256": "04539529084cd99b70788945368eb69a7368a1e7cc5585da6ecb318654967983"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.0734",
    "kind": "arxiv",
    "version": 3
  }
}