OT-2026-000072474
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000072474) never changes.
Identity and time
| Publication number | OT-2026-000072474 · never reused |
|---|---|
| Internal UUID | 01a0ae92-89d8-71fc-a7d4-5069c1e8843d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:54.283203Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072474 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8b36bfd5ecb8f37baa02d434ce6d9d788b9125f8664de551aea0f4e6360615a1 |
|---|---|
| Markdown | 2598e39bd13b4591b6cb87d19b8a96eafb3c283697409b8dc2d8685fa5dfac64 |
| Publication page | a0dcb380350c8473f11da0c645249c37929166259eb75e3fd65baee5f3964ada |
| Manifest | e3339df1c31ca56256b23597d011be152b2fb7492cfae328cbcc0dd984fdefad |
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 | k0Xyot4mayEnB0EXLiyBUPKKID6LCc5Z/jxS5GtD3SgNQG9+KaNOxFDus1fiTjEZFZs/l51b3XulsQQYIU9iBg== |
| 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
| 2026-09-17T10:22:18.040560Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072474observed a0dcb380350c8473f11da0c645249c37...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:22:18.023040Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072474/manifest.jsonobserved e3339df1c31ca56256b23597d011be15...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:18.005367Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072474/publication.mdobserved 2598e39bd13b4591b6cb87d19b8a96ea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:17.987950Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072474/publication.txtobserved 8b36bfd5ecb8f37baa02d434ce6d9d78...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. |
|---|