OT-2026-000077944
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-2026-000077944) never changes.
Identity and time
| Publication number | OT-2026-000077944 · never reused |
|---|---|
| Internal UUID | 01a0ae95-2ed1-72ab-9e56-cc894bbe36d1 · 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-2026-000077944 |
| Status | PUBLIC |
Content hashes
| Canonical text | 31988952c1e1cc882ca2d7ca103d4ebe6c453485ab2d1a4f33d705bae3548d3d |
|---|---|
| Markdown | 3faed1280dc2aa41bc931ac23b2929c3ffac6c5f285ebf91b8a2aa4e9ab2e09f |
| Publication page | 1c4e488d1c38e0bc7ffdaf8d9cc8ad5e1cac1a50b212f9f92a63a5c64d1c2e00 |
| Manifest | ca1bdd2a3163156a6c0b812f934723b46112270cd62f82239d91419770237c2e |
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 | lGXLJgxRsGzZ2pR3n5/Ilp0jGkF7LieQjmB3MaHxhXB22lrl+5rXj9m42KwTDM2eQc/r/Y3C0bNRLgSy6w5vDg== |
| 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
| 2026-09-17T10:06:59.420327Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077944observed 1c4e488d1c38e0bc7ffdaf8d9cc8ad5e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:06:59.401544Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077944/manifest.jsonobserved ca1bdd2a3163156a6c0b812f934723b4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:06:59.383246Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077944/publication.mdobserved 3faed1280dc2aa41bc931ac23b2929c3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:06:59.365883Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000077944/publication.txtobserved 31988952c1e1cc882ca2d7ca103d4ebe...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. |
|---|