Pith Number

pith:RIKEPM57

pith:2016:RIKEPM57V36LO5QRRYFNU5BXQA

not attested not anchored not stored refs pending

Modeling shift-variant X-ray focal spot blur for high-resolution flat-panel cone-beam CT

Jeffrey H. Siewerdsen, J. Webster Stayman, Steven Tilley II, Wojciech Zbijewski

arxiv:1610.05288 v1 · 2016-10-17 · physics.med-ph · math.OC

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

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	2026-05-18T01:02:05.603172Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a1447b3bfaefcb776118e0ada743780371ab6e5207837b933a7c24c6599ef9e

Aliases

arxiv: 1610.05288 · arxiv_version: 1610.05288v1 · doi: 10.48550/arxiv.1610.05288 · pith_short_12: RIKEPM57V36L · pith_short_16: RIKEPM57V36LO5QR · pith_short_8: RIKEPM57

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/RIKEPM57V36LO5QRRYFNU5BXQA \
  | 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: 8a1447b3bfaefcb776118e0ada743780371ab6e5207837b933a7c24c6599ef9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2d6b508a365a52b04ba44c4135a2354e38e5d4403210d1b3750186684b4a09a",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.med-ph",
    "submitted_at": "2016-10-17T19:41:48Z",
    "title_canon_sha256": "585a202ec1bdbeb60053f594af0c4afa9eef632513b47ce219712a0b924ea056"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.05288",
    "kind": "arxiv",
    "version": 1
  }
}