Pith Number

pith:4EMXOBG5

pith:2016:4EMXOBG5NH532XXZYLRD2OTILI

not attested not anchored not stored refs pending

Hamiltonian extensions in quantum metrology

Daniel Braun, Julien Mathieu Elias Fra\"isse

arxiv:1610.05974 v1 · 2016-10-19 · 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{4EMXOBG5NH532XXZYLRD2OTILI}

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	2026-05-18T01:01:50.504387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1197704dd69fbbd5ef9c2e23d3a685a3ef8e3fcd8c0cecc1c7d4bb528fac8ac

Aliases

arxiv: 1610.05974 · arxiv_version: 1610.05974v1 · doi: 10.48550/arxiv.1610.05974 · pith_short_12: 4EMXOBG5NH53 · pith_short_16: 4EMXOBG5NH532XXZ · pith_short_8: 4EMXOBG5

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/4EMXOBG5NH532XXZYLRD2OTILI \
  | 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: e1197704dd69fbbd5ef9c2e23d3a685a3ef8e3fcd8c0cecc1c7d4bb528fac8ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dffcd715b964a6b55f33414a05564cc2e070193b86d35c42847f873612a25190",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-10-19T12:05:38Z",
    "title_canon_sha256": "9217f92f56e36a5f8251336f175ef85aa4f399d191f0fbc641fa9d14c4e31db7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.05974",
    "kind": "arxiv",
    "version": 1
  }
}