OT-2026-000054239
Publication integrity record
Foam pad vacuum gripper, three zone face, per zone isolation, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000054239) never changes.
Identity and time
| Publication number | OT-2026-000054239 · never reused |
|---|---|
| Internal UUID | 01a0ae85-b3a9-7e6c-a8f5-8294e64bf338 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:39:53.019909Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054239 |
| Status | PUBLIC |
Content hashes
| Canonical text | 191b2e5b9fc696117d416518c3063d9a14bc47394045ffa05d29af9cae47ff85 |
|---|---|
| Markdown | 2d3d0bb78b9b3fc1a8b27ec48475bee5495efe658ebb9c070bb1cbd305f4032e |
| Publication page | dc878db50bcfb087f919f24d3d93b6def40942f41ade18583d78fab36aaaa73f |
| Manifest | bf53c396d498b0de96bd2f56044774b4b3f561f7cc65363be46b04435c87eb09 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | ex6yMWxblg0d26bPO3PXf22CsWnV6UzJ0sn7sJrJ9XCwsxU64EysgiTMrWzN3XtlOzXvCq+EPmds5Ah2Mn45Bw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:54:43.399592Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054239observed dc878db50bcfb087f919f24d3d93b6de...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:54:43.380781Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054239/manifest.jsonobserved bf53c396d498b0de96bd2f56044774b4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:43.362239Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054239/publication.mdobserved 2d3d0bb78b9b3fc1a8b27ec48475bee5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:43.342189Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054239/publication.txtobserved 191b2e5b9fc696117d416518c3063d9a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| Custody package | Pending Custody packages are produced weekly. |
|---|