Pith Number

pith:SRUNE3UV

pith:2009:SRUNE3UVDCFCAS45YG4J3SJVCU

not attested not anchored not stored refs pending

A Q-Ising model application for linear-time image segmentation

Frank W. Bentrem

arxiv:0906.4745 v4 · 2009-06-25 · physics.data-an · physics.comp-ph · physics.med-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{SRUNE3UVDCFCAS45YG4J3SJVCU}

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	2026-05-18T00:37:55.029525Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9468d26e95188a204b9dc1b89dc93515047465241cc04bc6b286c3b6c2d44228

Aliases

arxiv: 0906.4745 · arxiv_version: 0906.4745v4 · doi: 10.48550/arxiv.0906.4745 · pith_short_12: SRUNE3UVDCFC · pith_short_16: SRUNE3UVDCFCAS45 · pith_short_8: SRUNE3UV

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/SRUNE3UVDCFCAS45YG4J3SJVCU \
  | 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: 9468d26e95188a204b9dc1b89dc93515047465241cc04bc6b286c3b6c2d44228

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57654b6e32f9dedb696bee46938bdf1d06a65190593886a63012eafac9b98361",
    "cross_cats_sorted": [
      "physics.comp-ph",
      "physics.med-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.data-an",
    "submitted_at": "2009-06-25T17:10:30Z",
    "title_canon_sha256": "00d96bce1f2ba91ea3549b4011cd8fbb0d0c299d240e832bb6eb4d5dbb07b2bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.4745",
    "kind": "arxiv",
    "version": 4
  }
}