OT-2026-000057740
Publication integrity record
Single bellows 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-2026-000057740) never changes.
Identity and time
| Publication number | OT-2026-000057740 · never reused |
|---|---|
| Internal UUID | 01a0ae88-2695-73ec-a078-4b4fe2d135fa · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:33.513637Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057740 |
| Status | PUBLIC |
Content hashes
| Canonical text | 414000613094baf4b377a8d4b638e23dc3ff7e73127ae09c0c2b5a03fc23f147 |
|---|---|
| Markdown | 2ce82ec15195778836f797746eb8eab8fb8b2ba33dd82ad455af14af4401bc2b |
| Publication page | ad2102ed722cc5c518bb4bc1676d7f8740b081577a66eeacb1de1cf504b0b8f4 |
| Manifest | 4c462dd6c5e47719ff0398855eaaa1bf82b4ee499fa325bb1958029f7ec0634e |
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 | EK76fJ4zpYf2L3KCk2d87WmblmZYUQfd1889hwvwfx5LmYKBvLDqeuYh7XJ18XQbbIabgf2DNFr70ejZS0msDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|
Independent retrieval
| 2026-09-17T10:48:24.972056Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057740observed ad2102ed722cc5c518bb4bc1676d7f87...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:48:24.953340Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057740/manifest.jsonobserved 4c462dd6c5e47719ff0398855eaaa1bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:24.932827Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057740/publication.mdobserved 2ce82ec15195778836f797746eb8eab8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:24.914999Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057740/publication.txtobserved 414000613094baf4b377a8d4b638e23d...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. |
|---|