Pith Number

pith:7VDSOYLQ

pith:2024:7VDSOYLQKXGF2JRFEGG2LFT2UB

not attested not anchored not stored refs pending

Estimation of Hamiltonian parameters from thermal states

Adam Ehrenberg, Alexey V. Gorshkov, Hossein Dehghani, Jacob Bringewatt, Kishor Bharti, Luis Pedro Garc\'ia-Pintos, Nicole Yunger Halpern

arxiv:2401.10343 v1 · 2024-01-18 · 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{7VDSOYLQKXGF2JRFEGG2LFT2UB}

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	2026-07-05T08:48:59.424245Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd4727617055cc5d2625218da5967aa06790f515c505929a96c5a25045ddc231

Aliases

arxiv: 2401.10343 · arxiv_version: 2401.10343v1 · doi: 10.48550/arxiv.2401.10343 · pith_short_12: 7VDSOYLQKXGF · pith_short_16: 7VDSOYLQKXGF2JRF · pith_short_8: 7VDSOYLQ

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/7VDSOYLQKXGF2JRFEGG2LFT2UB \
  | 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: fd4727617055cc5d2625218da5967aa06790f515c505929a96c5a25045ddc231

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0db4827e3e861e09d1f5e59a5ec3d7031a595ad03d09708be2fb8b9ed9116190",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2024-01-18T19:15:36Z",
    "title_canon_sha256": "2d75c8205f73097033108a8ec285bddbc77b1984add696af1cec609b3d530598"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.10343",
    "kind": "arxiv",
    "version": 1
  }
}