OT-2026-000031516
Publication integrity record
Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, sustained 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-2026-000031516) never changes.
Identity and time
| Publication number | OT-2026-000031516 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87ae-76e0-ad98-1f3f2322414d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031516 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1aed523238aa919059259eac793acc1c570c1f72783f13c0605b12fa0b3e282c |
|---|---|
| Markdown | 7f2121196fadce767f0781755a9f477a0ed28a4f63480500a575d5ff16516b35 |
| Publication page | 235c2db95cf596a9b2b91c30300acebc396fc5d446c08e52badbc35bc66219c8 |
| Manifest | 2c03a035514aa782d5cc6c0bd6d2a1b33dd128cb1d0cd47cb8b5e62c09e60234 |
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 | iJDBTDrvlElc+ZXa767LXwrkWYIYCjZq+aWcr0rUZooTFQRBHavy+qCXXzxY1tYnme+1MKs0fD7yIZ/UfFN4Dw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:36:21.060197Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031516observed 235c2db95cf596a9b2b91c30300acebc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:36:21.042166Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031516/manifest.jsonobserved 2c03a035514aa782d5cc6c0bd6d2a1b3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:21.023632Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031516/publication.mdobserved 7f2121196fadce767f0781755a9f477a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:21.006467Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031516/publication.txtobserved 1aed523238aa919059259eac793acc1c...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. |
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