OT-2026-000077998
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum fed, 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-2026-000077998) never changes.
Identity and time
| Publication number | OT-2026-000077998 · never reused |
|---|---|
| Internal UUID | 01a0ae95-2ed1-7d23-b540-8aa1f7d13148 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:56:47.703064Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000077998 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4ce16c105b7f256339eb76d74442e2997fd2983f5ec22772582ebcb21d41c556 |
|---|---|
| Markdown | 1e4777fbe07659338a4856a647dec01f7a26c86702d8f7ed533a4f041b15d6a1 |
| Publication page | 620c6ff348f875738368e03b27021e19c68209d2dcee2e128af82db25d964993 |
| Manifest | d8493f127a825713dd98573ae50a6697a1fa1c6db4d182f69cddaa564a46c837 |
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 | aet80BOcSSPziG3yhXRqwDYNDnmfq/lYt6cqGXOUesupv69SAmefI/5DpMevg7gA8eQZ/Rv30BKryx3C75gHCw== |
| 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
| 2026-09-17T10:07:00.158714Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077998observed 620c6ff348f875738368e03b27021e19...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:07:00.137780Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077998/manifest.jsonobserved d8493f127a825713dd98573ae50a6697...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:07:00.120038Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077998/publication.mdobserved 1e4777fbe07659338a4856a647dec01f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:07:00.098748Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077998/publication.txtobserved 4ce16c105b7f256339eb76d74442e299...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. |
|---|