OT-2026-000071500
Publication integrity record
Single bellows cup vacuum gripper, pump fed, vented 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-2026-000071500) never changes.
Identity and time
| Publication number | OT-2026-000071500 · never reused |
|---|---|
| Internal UUID | 01a0ae91-e0ee-7da5-9735-8ad1ddeea67e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:11.039722Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000071500 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0afb55aa6476b5411f476c65afc6cccffe95b9714347f22d514d7f84eaacfd2e |
|---|---|
| Markdown | e1bd91a49b77985f2a72f9fb0ba8bcaeccb32d7b3ad9019ce36faffbcb8ebf67 |
| Publication page | 1af15053362f30ba77b1a359e964ccbab492d8a810e1688ac918788407bc23de |
| Manifest | 36a1926fb6e00475faf23e7ea52fbc3b86e62e5f6d706f34971908521fddaa24 |
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 | YfZJgm4ujF3kQ2bds1LwbRhazz0qlKQvzjglrrN5fRQWW6taS3Qpmwe0fxV2Mn3+/REGBszjFCX0Z9mPrAJ0BQ== |
| 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
| 2026-09-17T10:25:08.670084Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071500observed 1af15053362f30ba77b1a359e964ccba...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:25:08.652199Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071500/manifest.jsonobserved 36a1926fb6e00475faf23e7ea52fbc3b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:25:08.633495Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071500/publication.mdobserved e1bd91a49b77985f2a72f9fb0ba8bcae...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:25:08.612368Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071500/publication.txtobserved 0afb55aa6476b5411f476c65afc6cccf...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. |
|---|