OT-2026-000071638
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, vented 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-2026-000071638) never changes.
Identity and time
| Publication number | OT-2026-000071638 · never reused |
|---|---|
| Internal UUID | 01a0ae92-1e90-74af-b068-4c2cad648aab · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:26.841552Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000071638 |
| Status | PUBLIC |
Content hashes
| Canonical text | fbdd53039f960efcc54e5d8b2b00c879d6e2bfe39cc7ee8cba9c383d9768ce49 |
|---|---|
| Markdown | acdbcd3ab7ba8f6d482bd4d192cad57e85fd712e02ce91c820da292167061bad |
| Publication page | d7dcdc2f3e218d24b0a96750f44bc5c5dae66137a6b1d2d8c8df42dcb3b9eaf9 |
| Manifest | 60eaab8b27974bc1cfc71450a33ccca585095ad3e59432d08bd5c9e16a672b32 |
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 | nRjsvjNW1nvvZFfbXoPqp7A+Mu0U1nTfc1EXFh4mArhzAtmh8Zghjh6sijOQ4J1VSi47yXPUTQmk221e6S1aAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:23:40.293453Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071638observed d7dcdc2f3e218d24b0a96750f44bc5c5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:23:40.275756Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071638/manifest.jsonobserved 60eaab8b27974bc1cfc71450a33ccca5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:40.258067Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071638/publication.mdobserved acdbcd3ab7ba8f6d482bd4d192cad57e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:23:40.239695Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071638/publication.txtobserved fbdd53039f960efcc54e5d8b2b00c879...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. |
|---|