OT-2026-000078788
Publication integrity record
Single bellows cup vacuum gripper, three 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-2026-000078788) never changes.
Identity and time
| Publication number | OT-2026-000078788 · never reused |
|---|---|
| Internal UUID | 01a0ae95-ccbd-779f-bfa8-7e26095d610c · 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-2026-000078788 |
| Status | PUBLIC |
Content hashes
| Canonical text | cc060a088215fa26019e5d2fb619a80da73e170464dd24a31ca790291d64ee6d |
|---|---|
| Markdown | c3ba7344ebc14f39353a4a0fcaf14d0da50cfb0b9e43074dab49e55c37400c62 |
| Publication page | 48c3231142d62a4ab1cca67dec222feb3e21e6a0d9add8c0e9d0a033b6415add |
| Manifest | 99620e2fb8e99ef80f145f3990c081b100b3dce84821cea9ba10562b1fe37988 |
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 | VkYSPd7ETuZ4sDW74BB2Umxiwl9weYepWnNlc3+EkT4xAiEgbCkB8KXOglZZ03lchQLMFPGIDbLdGrqaoWUDBg== |
| 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
| 2026-09-17T10:05:34.637707Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078788observed 48c3231142d62a4ab1cca67dec222feb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:05:34.617477Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078788/manifest.jsonobserved 99620e2fb8e99ef80f145f3990c081b1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:34.598742Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078788/publication.mdobserved c3ba7344ebc14f39353a4a0fcaf14d0d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:05:34.582531Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000078788/publication.txtobserved cc060a088215fa26019e5d2fb619a80d...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. |
|---|