Pith Number

pith:4V7J6A5C

pith:2012:4V7J6A5CRMMG6JEHE66PVS4TAT

not attested not anchored not stored refs pending

Ground State Spin Logic

J. D. Biamonte, J. D. Whitfield, M. Faccin

arxiv:1205.1742 v1 · 2012-05-08 · quant-ph · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4V7J6A5CRMMG6JEHE66PVS4TAT}

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	2026-05-18T03:45:41.451875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e57e9f03a28b186f248727bcfacb9304cf7294787072b0f949f71c6cff696797

Aliases

arxiv: 1205.1742 · arxiv_version: 1205.1742v1 · doi: 10.48550/arxiv.1205.1742 · pith_short_12: 4V7J6A5CRMMG · pith_short_16: 4V7J6A5CRMMG6JEH · pith_short_8: 4V7J6A5C

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/4V7J6A5CRMMG6JEHE66PVS4TAT \
  | 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: e57e9f03a28b186f248727bcfacb9304cf7294787072b0f949f71c6cff696797

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ec67ceda9f2809abad79eb846926e2defdc085fe872041eb5adc34decf663bc",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-05-08T16:49:02Z",
    "title_canon_sha256": "6d29adcd6adb94fc4d58c8c2fbc354991c91b3d856e397ce97404076548ef4a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.1742",
    "kind": "arxiv",
    "version": 1
  }
}