Pith Number

pith:GA7C4E3B

pith:2014:GA7C4E3BPALDVSO3VWVNBUBRNG

not attested not anchored not stored refs pending

Quantum metrology with non-equilibrium steady states of quantum spin chains

Toma\v{z} Prosen, Ugo Marzolino

arxiv:1412.1977 v1 · 2014-12-05 · quant-ph · cond-mat.str-el · nlin.SI · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GA7C4E3BPALDVSO3VWVNBUBRNG}

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	2026-05-18T00:37:48.989642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

303e2e136178163ac9dbadaad0d031699d51261e4637830cfb8ba99812311e3f

Aliases

arxiv: 1412.1977 · arxiv_version: 1412.1977v1 · doi: 10.48550/arxiv.1412.1977 · pith_short_12: GA7C4E3BPALD · pith_short_16: GA7C4E3BPALDVSO3 · pith_short_8: GA7C4E3B

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/GA7C4E3BPALDVSO3VWVNBUBRNG \
  | 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: 303e2e136178163ac9dbadaad0d031699d51261e4637830cfb8ba99812311e3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34f0315a1be844b5204805ee45304861af001bd61c6d89964308a5db6c3b659d",
    "cross_cats_sorted": [
      "cond-mat.str-el",
      "nlin.SI",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-12-05T12:18:47Z",
    "title_canon_sha256": "af5df2a82527101f1cfd347d09b156492c227174f3f3696facbb67a104e4f1c9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.1977",
    "kind": "arxiv",
    "version": 1
  }
}