OT-2026-000041521
Publication integrity record
Single cup vacuum gripper, two stage ejector, sustained blow-off 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-2026-000041521) never changes.
Identity and time
| Publication number | OT-2026-000041521 · never reused |
|---|---|
| Internal UUID | 01a0ae79-e89f-7efc-89db-0d61be6cee80 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:00.220789Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000041521 |
| Status | PUBLIC |
Content hashes
| Canonical text | d1253b950854825a8c6c5e2033c64899f14a189a882d7e1e8a04b826b41afb19 |
|---|---|
| Markdown | 621dbe11139cf8f2558af609b90721aba0f1ec6113621a4baae68a19942d925e |
| Publication page | bf50e5c660d737be871c754a4c78936d6cc1a8f4252800544f039e076b2d1c97 |
| Manifest | d81b82751b96f0757c74d34ff6321d2188c3b0e3491dc1a103a3fb9598c37614 |
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 | T4Mg9aj7hKw8PnyLvwolVxroCiwmeGotc9lubWQLPrKUg2mRine4ir/oeHr5Cn+nH/J5QSuMS+FcQfI7WbF1Bg== |
| 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
| 2026-09-17T11:16:17.493033Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041521observed bf50e5c660d737be871c754a4c78936d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:16:17.474656Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041521/manifest.jsonobserved d81b82751b96f0757c74d34ff6321d21...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:16:17.455250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041521/publication.mdobserved 621dbe11139cf8f2558af609b90721ab...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:16:17.438315Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041521/publication.txtobserved d1253b950854825a8c6c5e2033c64899...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. |
|---|