Pith Number

pith:UR3Z7MKG

pith:2011:UR3Z7MKGPHSH2M2JPZ3ONTOY46

not attested not anchored not stored refs pending

Characterization of a qubit Hamiltonian using adaptive measurements in a fixed basis

Alexandr Sergeevich, Anushya Chandran, Howard M. Wiseman, Joshua Combes, Stephen D. Bartlett

arxiv:1102.3700 v2 · 2011-02-17 · quant-ph · cond-mat.mes-hall

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UR3Z7MKGPHSH2M2JPZ3ONTOY46}

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	2026-05-18T04:07:43.093006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4779fb14679e47d33497e76e6cdd8e7a6a04cde05f7b954de404ac492b26878

Aliases

arxiv: 1102.3700 · arxiv_version: 1102.3700v2 · doi: 10.48550/arxiv.1102.3700 · pith_short_12: UR3Z7MKGPHSH · pith_short_16: UR3Z7MKGPHSH2M2J · pith_short_8: UR3Z7MKG

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/UR3Z7MKGPHSH2M2JPZ3ONTOY46 \
  | 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: a4779fb14679e47d33497e76e6cdd8e7a6a04cde05f7b954de404ac492b26878

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fda170a9e717849386fbcc0e417f4aa7627e5a7bc7ec78652d7d521a15f3c2da",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-02-17T21:10:43Z",
    "title_canon_sha256": "afee6fc5e16e25956f8c448315be9fe43d0ca646db2a4c8520bc8e3182fe1af3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3700",
    "kind": "arxiv",
    "version": 2
  }
}