Pith Number

pith:3K6ADBOK

pith:2016:3K6ADBOKUGQH64IPCUANOCJPAV

not attested not anchored not stored refs pending

Loschmidt Echo for quantum metrology

Augusto Smerzi, Luca Pezz\`e, Tommaso Macr\`i

arxiv:1604.04246 v2 · 2016-04-14 · cond-mat.quant-gas · 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{3K6ADBOKUGQH64IPCUANOCJPAV}

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	2026-05-18T01:11:21.365424Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dabc0185caa1a07f710f1500d7092f0548e180ce14ee7fdd115898d0def2ba13

Aliases

arxiv: 1604.04246 · arxiv_version: 1604.04246v2 · doi: 10.48550/arxiv.1604.04246 · pith_short_12: 3K6ADBOKUGQH · pith_short_16: 3K6ADBOKUGQH64IP · pith_short_8: 3K6ADBOK

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/3K6ADBOKUGQH64IPCUANOCJPAV \
  | 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: dabc0185caa1a07f710f1500d7092f0548e180ce14ee7fdd115898d0def2ba13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d55ceed7bb836f8f15f469345de3951608a8473fc663c1bfe10e9a7e092a5ff3",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.quant-gas",
    "submitted_at": "2016-04-14T18:16:11Z",
    "title_canon_sha256": "83e2c289202422083da2be7d500779628a6685d0d8a177f08eb897af447b040d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.04246",
    "kind": "arxiv",
    "version": 2
  }
}