Pith Number

pith:7F7HBWIU

pith:2020:7F7HBWIUPQNII6OOJ33SMRVLCE

not attested not anchored not stored refs pending

Microwave Photonic Ising Machine

Hao Ding, Kun Xu, Ming Li, Qizhuang Cen, Shanhong Guan, Tengfei Hao, Yitang Dai, Zhiqiang Qin

arxiv:2011.00064 v1 · 2020-09-19 · physics.app-ph · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7F7HBWIUPQNII6OOJ33SMRVLCE}

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	2026-07-05T01:47:56.749921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f97e70d9147c1a8479ce4ef72646ab11134f539c4c0ae5e3b87d5a159dde183a

Aliases

arxiv: 2011.00064 · arxiv_version: 2011.00064v1 · doi: 10.48550/arxiv.2011.00064 · pith_short_12: 7F7HBWIUPQNI · pith_short_16: 7F7HBWIUPQNII6OO · pith_short_8: 7F7HBWIU

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/7F7HBWIUPQNII6OOJ33SMRVLCE \
  | 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: f97e70d9147c1a8479ce4ef72646ab11134f539c4c0ae5e3b87d5a159dde183a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "740ab625af3dcb76fe282cfc1b1d60c1a1a234aae44a868451da242cd810a652",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2020-09-19T01:58:58Z",
    "title_canon_sha256": "56c3b4ccf27d0610d701431cb095e3c20fcc32eac517d7af875234392ac8ec7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.00064",
    "kind": "arxiv",
    "version": 1
  }
}