Pith Number

pith:PQMBOHUH

pith:2024:PQMBOHUHCRFHCVOYTD4CE4UXUY

not attested not anchored not stored refs pending

Encoding arbitrary Ising Hamiltonians on Spatial Photonic Ising Machines

Alexis Askitopoulos, Georgios Pastras, Jason Sakellariou, Symeon I. Tsintzos

arxiv:2407.09161 v2 · 2024-07-12 · physics.optics · cond-mat.dis-nn · cs.ET · 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{PQMBOHUHCRFHCVOYTD4CE4UXUY}

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	2026-07-05T09:15:13.271474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c18171e87144a7155d898f8227297a60c17e0bcc7dc06d83fec3cb06bd3a316

Aliases

arxiv: 2407.09161 · arxiv_version: 2407.09161v2 · doi: 10.48550/arxiv.2407.09161 · pith_short_12: PQMBOHUHCRFH · pith_short_16: PQMBOHUHCRFHCVOY · pith_short_8: PQMBOHUH

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/PQMBOHUHCRFHCVOYTD4CE4UXUY \
  | 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: 7c18171e87144a7155d898f8227297a60c17e0bcc7dc06d83fec3cb06bd3a316

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16ecf66f3ff6ae28067376414431f246a22e949d96db91115eda1e4497f54f6e",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "cs.ET",
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2024-07-12T10:54:07Z",
    "title_canon_sha256": "7cf18695e23a65f8aa71e08b75cf2b62dc6c54109b2a2531f0868aabce2326b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2407.09161",
    "kind": "arxiv",
    "version": 2
  }
}