OT-2026-000081228
Publication integrity record
Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, vented after 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-2026-000081228) never changes.
Identity and time
| Publication number | OT-2026-000081228 · never reused |
|---|---|
| Internal UUID | 01a0ae96-f373-7df9-8450-2421cdd5f67f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:58:43.461344Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000081228 |
| Status | PUBLIC |
Content hashes
| Canonical text | 714857f082ddce0b9829163a3ca4b42ecb37fa91744e9c37f2c6c2d2545b44d8 |
|---|---|
| Markdown | 553e2ab2b92d8a59c32fbfd74fbe7016df8eb0a798798e756c1aeaa8cdf5aae6 |
| Publication page | d97ca5d055d74a0956246cb7d36cb68a08dc473bf350d56c9686c07317b0582d |
| Manifest | 6565f3a0f45686143d04ffca062fe9f9280943001d18743489ce0883d2029757 |
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 | AiZCxZ7eeX5YWKYJr/+HJxSlEBNTDy+a9216owCVS1hwVZoXn7q/ggQ7GtSn+WO1w6pWMnhkTSohhwAmw1F6Dg== |
| 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
| 2026-09-17T10:01:18.821339Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081228observed d97ca5d055d74a0956246cb7d36cb68a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:01:18.803538Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081228/manifest.jsonobserved 6565f3a0f45686143d04ffca062fe9f9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:01:18.786526Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081228/publication.mdobserved 553e2ab2b92d8a59c32fbfd74fbe7016...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:01:18.768410Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081228/publication.txtobserved 714857f082ddce0b9829163a3ca4b42e...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. |
|---|