OT-2026-000078746
Publication integrity record
Single bellows cup vacuum gripper, single stage ejector, 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-2026-000078746) never changes.
Identity and time
| Publication number | OT-2026-000078746 · never reused |
|---|---|
| Internal UUID | 01a0ae95-ccbc-7135-8049-484b6ea976d7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:57:28.017032Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000078746 |
| Status | PUBLIC |
Content hashes
| Canonical text | bc54ace4989e0561f17b6a1dec09b69c3deef597c437020801f7002d45cb1476 |
|---|---|
| Markdown | 87dfdd9483d6d9898d9e21487f45956b1347f4db5086202a9e4eacf0c1ca46e1 |
| Publication page | f0097915dc10e3e286de33e074a2966289e18029ef0030559cbf43726f669b44 |
| Manifest | 4c403aa86aed0d16347e6c50cfac9026d8e929fd09bb69f7f80c53b8e7294dc6 |
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 | F4b4pz7UWQV80Olj4Tg21YhEgkMI90YL8LvfdGBZgpyFF2fODgJO4izqSrYu3klQrU8BlzHwYCxoduREOoewAg== |
| 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
| 2026-09-17T10:05:31.892267Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078746observed f0097915dc10e3e286de33e074a29662...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:05:31.865791Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078746/manifest.jsonobserved 4c403aa86aed0d16347e6c50cfac9026...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:31.846768Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078746/publication.mdobserved 87dfdd9483d6d9898d9e21487f45956b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:31.827912Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078746/publication.txtobserved bc54ace4989e0561f17b6a1dec09b69c...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. |
|---|